Unlocking the Power of Aviation Operations DataMRO 2013 PresentationQuantifying utilization, turn time,and RON impact on d...
OVERVIEWToday’s DiscussionReliability, schedules, and turn times have animpact on departure reliability and maintenance.• ...
C O M PA R I N G O T P A N D U T I L I Z AT I O N   On-Time Departure Performance                                  Daily A...
U T I L I Z AT I O N V S . O T PUtilization correlates to on-time performance                                   Daily Util...
D A I LY S C H E D U L I N G PAT T E R N SPrevalence of red-eyes          AA, UA, DL and US have similar exposure to red-e...
D A I LY S C H E D U L I N G PAT T E R N SPrevalence of red-eyes           Spirit and JetBlue have significant exposure to...
I M PA C T O F R E D - E Y E F LY I N GRed-Eyes Hurt OTD PerformanceAverage departure delay minutes are significantly high...
PLANNING FOR RECOVERYAirlines Build Recovery into Gate Turn Times                            Scheduled Turn Time (Blue) vs...
CONCLUSIONSUtilization, turns and on-time metricsWhat are the key points observed?                UTILIZATION VS. OTP     ...
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MRO Americas Presentation 2013

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Presentation given at MRO Americas 2013 in Atlanta (April 16th). Discusses the impact of red-eye flight operations, quick gate turns and utilization targets on airline on-time performance. The presentation illustrates the strong negative correlation between additional aircraft utilization and propagating system delays, with an average seven minute delay penalty for flights after a red-eye versus those after overnight maintenance activity. Provides metrics for application in airline schedule planning.

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MRO Americas Presentation 2013

  1. 1. Unlocking the Power of Aviation Operations DataMRO 2013 PresentationQuantifying utilization, turn time,and RON impact on departure reliabilityJoshua Marksjosh@masflight.comMobile. +1 (703) 994-00004833 Rugby Avenue, Suite 301Bethesda, Maryland 20814www.masflight.comApril 16, 2013
  2. 2. OVERVIEWToday’s DiscussionReliability, schedules, and turn times have animpact on departure reliability and maintenance.• Daily Utilization vs. On-Time Departures• Differences in narrowbodies and widebodies• Scheduling patterns• Impact of red-eye flying• Scheduled and actual turn timesDo the significant differences among U.S.carriers explain the differences in reliability?CONFIDENTIAL AND PROPRIETARY – Slide 2
  3. 3. C O M PA R I N G O T P A N D U T I L I Z AT I O N On-Time Departure Performance Daily Aircraft Utilization (hrs) (within 15 minutes of schedule) (Based on total fleet sizes) January 2013 – System Ops January 2013 – System Ops 94.1% 12.1 93.1% 12.0 89.9% 10.3 87.0% 10.1 85.8% 10.1 83.5% 10.0 81.9% 9.5 81.0% 9.4 78.0% 9.3 76.3% 9.1 72.7% 9.0CONFIDENTIAL AND PROPRIETARY – Slide 3
  4. 4. U T I L I Z AT I O N V S . O T PUtilization correlates to on-time performance Daily Utilization vs. On-time Departures Narrowbodies January 2013 System Operations By Day of Week 100.0% Correlation Coefficient -0.53 90.0% ONTIME DEPARTURE PERFORMANCE 100% Includes AA, AC, AS, B6, 80.0% F9, FL, NK, UA, US, 95% VX and WN 70.0% 90% 60.0% 85% 7.0 9.0 11.0 13.0 80% Widebodies 100.0% by Day of Week 75% 70% 90.0% 65% 80.0% 60% 70.0% 7 9 11 13 HOURS OF DAILY UTILIZATION 60.0% 7.0 9.0 11.0 13.0CONFIDENTIAL AND PROPRIETARY – Slide 4
  5. 5. D A I LY S C H E D U L I N G PAT T E R N SPrevalence of red-eyes AA, UA, DL and US have similar exposure to red-eye operations NORMALIZED DEPARTURES PER HOUR (LOCAL TIME) BY AIRLINE (JAN 2013)80.0 100.0 80.060.0 60.040.0 40.020.0 20.0 - - 11p-5a 10a 11a 12p 10p 5a 6a 7a 8a 9a 1p 2p 3p 4p 5p 6p 7p 8p 9p 11p-5a 10a 11a 12p 10p 5a 6a 7a 8a 9a 1p 2p 3p 4p 5p 6p 7p 8p 9p100.0 120.0 80.0 100.0 80.0 60.0 60.0 40.0 40.0 20.0 20.0 - - 11p-5a 11p-5a 10a 11a 12p 10p 10a 11a 12p 10p 5a 6a 7a 8a 9a 1p 2p 3p 4p 5p 6p 7p 8p 9p 5a 6a 7a 8a 9a 1p 2p 3p 4p 5p 6p 7p 8p 9pCONFIDENTIAL AND PROPRIETARY – Slide 5
  6. 6. D A I LY S C H E D U L I N G PAT T E R N SPrevalence of red-eyes Spirit and JetBlue have significant exposure to red-eye impact! NORMALIZED DEPARTURES PER HOUR (LOCAL TIME) BY AIRLINE (JAN 2013) 80.0 100.0 80.0 60.0 60.0 40.0 40.0 20.0 20.0 - - 11p-5a 10a 11a 12p 10p 5a 6a 7a 8a 9a 1p 2p 3p 4p 5p 6p 7p 8p 9p 11p-5a 10a 11a 12p 10p 5a 6a 7a 8a 9a 1p 2p 3p 4p 5p 6p 7p 8p 9p 120.0 80.0 100.0 70.0 80.0 60.0 50.0 60.0 40.0 40.0 30.0 20.0 20.0 10.0 - - 11p-5a 10a 11a 12p 10p 5a 6a 7a 8a 9a 1p 2p 3p 4p 5p 6p 7p 8p 9p 11p-5a 10a 11a 12p 10p 5a 6a 7a 8a 9a 1p 2p 3p 4p 5p 6p 7p 8p 9pCONFIDENTIAL AND PROPRIETARY – Slide 6
  7. 7. I M PA C T O F R E D - E Y E F LY I N GRed-Eyes Hurt OTD PerformanceAverage departure delay minutes are significantly higher for red-eyes 18.0 Redeye or Quick 2nd Turn 15.7 16.0 14.0 Remain Overnight 13.2DEPARTURE DELAY MINUTES 12.0 10.0 9.1 8.0 6.3 6.7 6.0 4.1 4.0 2.7 1.6 1.5 1.8 1.4 2.0 0.9 1.2 0.4 0.5 0.0 -0.4 -0.5 -2.0 -1.8 Minutes of delay -4.0 Alaska US Air Virgin Delta American JetBlue United Frontier SpiritCONFIDENTIAL AND PROPRIETARY – Slide 7
  8. 8. PLANNING FOR RECOVERYAirlines Build Recovery into Gate Turn Times Scheduled Turn Time (Blue) vs. Average Actual Turn Time (Red) by Airline and Fleet, January 2013 100 90 Scheduled Time on Gate Additional Time Spent on Gate 80 70 Minutes on Gate 60 50 40 30 20 10 0 WN B6 F9 AA DL FL NK DL DL B6 DL US AS AA VX FL DL US UA DL UA 737 190 320 M80 DC9 717 320 M90 M80 320 320 737 737 737 320 737 737 320 320 757 737CONFIDENTIAL AND PROPRIETARY – Slide 8
  9. 9. CONCLUSIONSUtilization, turns and on-time metricsWhat are the key points observed? UTILIZATION VS. OTP SCHEDULING PRACTICES There is a quantifiable link Carriers that schedule aggressive between daily utilization of a fleet night flying operations leave little type and on-time performance time to “catch up” RED-EYES HURT! GATE TURNS An aggressive red-eye schedule Airline turn times vary, but most creates morning delays that carriers buffer additional gate time create extended disruption into block plans to recoverCONFIDENTIAL AND PROPRIETARY – Slide 9
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