When Your Problem Becomes My Problem: The Impact of Airline IT Disruptions on On-Time Performance of Competing Airlines

2018 ◽  
Author(s):  
Chung Won Jennifer Tae ◽  
Min-Seok Pang ◽  
Brad N Greenwood
Keyword(s):  
Time Performance ◽  
The Impact

scholarly journals Sustainable Supply Chains with Blockchain, IoT and RFID: A Simulation on Order Management

2021 ◽  
Vol 13 (11) ◽  
pp. 6372
Author(s):  
Vincenzo Varriale ◽  
Antonello Cammarano ◽  
Francesca Michelino ◽  
Mauro Caputo
Keyword(s):  
Supply Chains ◽  
New Technologies ◽  
Emerging Technologies ◽  
Sustainable Supply Chains ◽  
Time Performance ◽  
Order Management ◽  
Management Processes ◽  
Managerial Implications ◽  
The Impact ◽  
The Internet Of Things

The digital transformation of supply chains should revolutionize entire management processes and improve various aspects of sustainability. In particular, the plans of Industry 4.0 aim towards a digitization of several procedures by exploiting emerging technologies such as the Internet of Things, RFID and blockchain. The purpose of this study is to highlight how order and disruption events processes can be improved with the adoption of emerging technologies and how this reflects on the improvement of sustainability aspects. The study is based on the comparison of two simulation scenarios between three actors in the cheese supply chain. In particular, a first traditional scenario “as is” is simulated without the use of new technologies and is compared to a second scenario “to be” that adopts IoT, RFID and blockchain. The results show an improvement in time performance for managing both perfect and non-compliant orders. The developed framework highlights the impact of new technologies on sustainability aspects, showing further managerial implications.

scholarly journals Effects of Musically-Induced Emotions on Choice Reaction Time Performance

2009 ◽  
Vol 23 (1) ◽  
pp. 59-76 ◽  
Author(s):  
Daniel T. Bishop ◽  
Costas I. Karageorghis ◽  
Noel P. Kinrade
Keyword(s):  
Reaction Time ◽  
White Noise ◽  
Choice Reaction Time ◽  
Emotional States ◽  
Experimental Conditions ◽  
Tennis Players ◽  
Time Performance ◽  
Reaction Time Performance ◽  
Subsequent Choice ◽  
The Impact

The main objective of the current study was to examine the impact of musically induced emotions on athletes’ subsequent choice reaction time (CRT) performance. A random sample of 54 tennis players listened to researcher-selected music whose tempo and intensity were modified to yield six different music excerpts (three tempi × two intensities) before completing a CRT task. Affective responses, heart rate (HR), and RTs for each condition were contrasted with white noise and silence conditions. As predicted, faster music tempi elicited more pleasant and aroused emotional states; and higher music intensity yielded both higher arousal (p < .001) and faster subsequent CRT performance (p < .001). White noise was judged significantly less pleasant than all experimental conditions (p < .001); and silence was significantly less arousing than all but one experimental condition (p < .001). The implications for athletes’ use of music as part of a preevent routine when preparing for reactive tasks are discussed.

scholarly journals Airline Financial Distress and Customer Satisfaction

2011 ◽  
Vol 48 (1) ◽  
Author(s):  
Dina Ribbink ◽  
Christian Hofer ◽  
Martin Dresner
Keyword(s):  
Customer Service ◽  
Airline Industry ◽  
Financial Distress ◽  
Service Levels ◽  
The Third ◽  
Time Performance ◽  
Using Data ◽  
Relationship Of ◽  
The Impact ◽  
The Relationship

An investigation is conducted on the effect of financial distress on customer service levels in the U.S. airline industry. Using data from the first quarter of 1998 to the third quarter of 2006, we employ a seemingly unrelated regressions (SUR) model to analyze the impact of financial distress on three measures of customer service. We find that higher financial distress is associated with better on-time performance of airlines and fewer lost bags. The relationship of airline financial distress to the number of bumped customers, however, is insignificant.

scholarly journals How Late Does Your Flight Depart? A Quantile Regression Approach for a Chinese Case Study

2020 ◽  
Vol 12 (24) ◽  
pp. 10553
Author(s):  
Zhe Zheng ◽  
Wenbin Wei ◽  
Bo Zou ◽  
Minghua Hu
Keyword(s):  
Least Square ◽  
Ordinary Least Square ◽  
Delay Propagation ◽  
Weather Information ◽  
Time Performance ◽  
Buffer Time ◽  
Aircraft Type ◽  
Main Components ◽  
Convective Weather ◽  
The Impact

Flight departure delays cost airlines and airports millions of dollars and become a systematic problem. The on-time performance at an airport is connected to and easily affected by delay propagation from previous operations of flights using the airport. In this paper, we employ both Ordinary Least Square (OLS) and quantile regressions to investigate the impact of various influencing factors on flight departure delay. By using historical flight records and weather information, the impacts of delay propagation-related and other factors are quantified to study the correlations between the explanatory and response variables. Three variables, including previous arrival delay, turnaround buffer time, and the first order of a day, are used to examine the propagation effects. We find that aircraft type, flying on a weekday, and being the first flight of a day have significant impacts on short departure delays. Ground buffer is conducive to mitigating delay propagation. For long delays, however, ground buffer cannot work in an efficient way, and the previous arrival effect is more important. Convective weather and aircraft type are the crucial factors in this situation. Interestingly, flying on a weekday suddenly becomes one of the main components under extreme delays. Meanwhile, propagated delay and airport congestion remain significantly impactful on the on-time performance.

Analysis of the Assembly Joint at Deformation of Matched Objects

2019 ◽  
Vol 952 ◽  
pp. 330-338
Author(s):  
Marcela Bučányová ◽  
Miriam Matúšová ◽  
Erika Hrušková
Keyword(s):  
Surface Quality ◽  
Specific Activity ◽  
Technological Equipment ◽  
Time Performance ◽  
Final Surface ◽  
The Impact ◽  
Material Tool

Maintenance is a system-specific activity that the purpose of which is to maintain or to increase time, performance and quality of machines and equipment use. The demand for technological equipment is still rising, resulting in often complicated and lengthy repairs. It is necessary to analyze the tools used in the construction of assembly joints and to describe the deficiencies that may occur during assembly. When contacting a material tool using a particular technology and assembly, it is necessary to analyze the impact on the final surface quality of the material.

scholarly journals The Resident Subsidy Impact on Regional Air Carrier Route Development: A Case Study

2021 ◽  
Author(s):  
Roberto Rendeiro Martín-Cejas
Keyword(s):  
Canary Island ◽  
Airport Operations ◽  
Time Performance ◽  
Air Carrier ◽  
Airport Capacity ◽  
The Impact ◽  
Fuel Costs ◽  
Air Carriers ◽  
Maximum Threshold

Abstract Subsidizing air mobility for Canary Island residents may have an unforeseen impact on regional air carrier route development and this could exacerbate congestion in airports that operate near to their maximum threshold. Reginal routes often require the use of small aircraft such as those from the ATR (Avions de Transport Régional) family. These aircraft types have [some specific characteristics related to its time performance. If airports manage a large proportion of ATR aircrafts, one of their main activities, such as landing and taking off operations (LTO), may become congested, and affect airport capacity. Air carrier economies might be negatively affected because of delays in airport operations. For instance, air carriers’ fuel costs might rise due to aircraft’s increased LTO time. This paper seeks to analyze the impact of regional aviation route development for the Canary airport network; specifically, the effect that it has on airport capacity and air carrier economies.

scholarly journals Analysis of Improvement of BIM-Based Digitalization in Engineering, Procurement, and Construction (EPC) Projects in China

2021 ◽  
Vol 11 (24) ◽  
pp. 11895
Author(s):  
Yu Zheng ◽  
Llewellyn C. M. Tang ◽  
K. W. Chau
Keyword(s):  
Construction Projects ◽  
Rapid Development ◽  
Dynamic Change ◽  
Laboratory Data ◽  
Information Modeling ◽  
Time Performance ◽  
Building Information ◽  
Questionnaire Surveys ◽  
The Cost ◽  
The Impact

Digitalization is considered a dynamic change process powered by the rapid development of innovative concepts (e.g., building information modeling) that brings substantial potential benefits to the construction industry. However, previous studies of the benefits of digitalization (BIM) were mainly based on laboratory data rather than actual practices, which compromised the reliability of the results for construction practitioners. This study investigated the impact of digitalization in EPC construction projects by integrating descriptive statistics and survey-based exploratory factor analysis (SEFA). After a detailed review of related studies and meetings with experts, ten main variables and 14 unified variables were identified. The data on these variables were collected by questionnaire surveys and the extraction of information from project documentation. A total of 62 participants from 33 EPC construction projects responded to the questionnaire survey. The SEFA results indicated that digitalization can improve both the cost and time performance, with greater potential for improvement in time performance for EPC projects. In a scenario with limited digitalization implementation, this research could motivate future researchers to develop more applied research and guidelines to achieve best practices in the domain of the digitalization of construction projects.

scholarly journals Study on the Moving Target Tracking Based on Vision DSP

Sensors ◽  
2020 ◽  
Vol 20 (22) ◽  
pp. 6494
Author(s):  
Xuan Gong ◽  
Zichun Le ◽  
Hui Wang ◽  
Yukun Wu
Keyword(s):  
Real Time ◽  
Visual Tracking ◽  
Tracking System ◽  
Direct Memory Access ◽  
Optimization Techniques ◽  
Tracking Algorithm ◽  
Scale Transformation ◽  
Time Performance ◽  
System Resources ◽  
The Impact

The embedded visual tracking system has higher requirements for real-time performance and system resources, and this is a challenge for visual tracking systems with available hardware resources. The major focus of this study is evaluating the results of hardware optimization methods. These optimization techniques provide efficient utilization based on limited hardware resources. This paper also uses a pragmatic approach to investigate the real-time performance effect by implementing and optimizing a kernel correlation filter (KCF) tracking algorithm based on a vision digital signal processor (vision DSP). We examine and analyze the impact factors of the tracking system, which include DP (data parallelism), IP (instruction parallelism), and the characteristics of parallel processing of the DSP core and iDMA (integrated direct memory access). Moreover, we utilize a time-sharing strategy to increase the system runtime speed. These research results are also applicable to other machine vision algorithms. In addition, we introduced a scale filter to overcome the disadvantages of KCF for scale transformation. The experimental results demonstrate that the use of system resources and real-time tracking speed also satisfies the expected requirements, and the tracking algorithm with a scale filter can realize almost the same accuracy as the DSST (discriminative scale space tracking) algorithm under a vision DSP environment.

scholarly journals An Online Training Intervention on Prehospital Stroke Codes in Catalonia to Improve the Knowledge, Pre-Notification Compliance and Time Performance of Emergency Medical Services Professionals

2020 ◽  
Vol 17 (17) ◽  
pp. 6183
Author(s):  
Montse Gorchs-Molist ◽  
Silvia Solà-Muñoz ◽  
Iago Enjo-Perez ◽  
Marisol Querol-Gil ◽  
David Carrera-Giraldo ◽  
...  
Keyword(s):  
Clinical Care ◽  
Arterial Occlusion ◽  
Online Training ◽  
Training Intervention ◽  
Stroke Severity ◽  
Early Therapy ◽  
Time Performance ◽  
Emergency Medical ◽  
Clinical Records ◽  
The Impact

Strokes are a time-dependent medical emergency. The training of emergency medical service (EMS) professionals is essential to ensure the activation of stroke codes with pre-notification, as well as a rapid transfer to achieve early therapy. New assessment scales for the detection of patients with suspected large vessel occlusion ensures earlier access to endovascular therapy. The aim of this study was to evaluate the impact on an online training intervention focused on the Rapid Arterial oCclusion Evaluation (RACE) scoring of EMS professionals based on the prehospital stroke code in Catalonia from 2014 to 2018 in a pre–post intervention study. All Catalonian EMS professionals and the clinical records from primary stroke patients were included. The Kirkpatrick model guided the evaluation of the intervention. Data were collected on the knowledge on stroke recognition and management, pre-notification compliance, activated stroke codes and time performance of EMS professionals. Knowledge improved significatively in most items and across all categories, reaching a global achievement of 82%. Pre-notification compliance also improved significantly and remained high in the long-term. Increasingly higher notification of RACE scores were recorded from 60% at baseline to 96.3% in 2018, and increased on-site clinical care time and global time were also observed. Therefore, the online training intervention was effective for increasing EMS professionals’ knowledge and pre-notification compliance upon stroke code activation, and the wide adoption of a new prehospital scale for the assessment of stroke severity (i.e., the RACE scale) was achieved.

scholarly journals The Impact of Delays on Customers’ Satisfaction: an Empirical Analysis of the British Airways On-Time Performance at Heathrow Airport

2018 ◽  
Vol 11 ◽  
Author(s):  
Marina Efthymiou ◽  
Eric Tchouamou Njoya ◽  
Pak Lam Lo ◽  
Andreas Papatheodorou ◽  
Daniel Randall
Keyword(s):  
Empirical Analysis ◽  
Time Performance ◽  
The Impact
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