Key Takeaways
- In 2023, Delta Air Lines recorded an 83.7% on-time arrival rate for all domestic U.S. flights, operating 512,000 flights with an average delay of 14 minutes.
- Southwest Airlines achieved a 77.4% on-time performance in 2022 across 1,226,000 domestic flights, ranking 8th among U.S. carriers.
- American Airlines had a 79.1% on-time arrival rate in Q4 2023 for mainline operations, with 312,000 flights and total delays averaging 16.2 minutes.
- In 2023, Hartsfield-Jackson Atlanta (ATL) had an 82.1% on-time departure rate for 478,000 operations, leading U.S. hubs.
- Dallas/Fort Worth (DFW) recorded 79.5% on-time arrivals in 2022, handling 612,000 flights with taxi-out delays averaging 12 minutes.
- Los Angeles (LAX) achieved 76.8% on-time performance in Q3 2023, 391,000 operations impacted by coastal weather 15%.
- U.S. domestic flights had 80.1% on-time rate in 2023 vs 74.5% international, per 10.2 million total flights.
- In 2022, North America domestic on-time was 77.8% compared to 68.4% transatlantic international routes.
- Europe domestic flights achieved 82.3% on-time in Q4 2023 vs 71.2% long-haul international from EU hubs.
- January 2023 U.S. on-time rate was 78.2% due to winter storms, lowest monthly figure.
- February 2022 saw 75.6% on-time for U.S. carriers, impacted by Omicron and snow.
- March 2023 peak at 84.7% on-time post-winter recovery, 900,000 flights.
- Weather caused 12.4% of U.S. flight delays in 2023, totaling 1.2 million minutes.
- Air Traffic Control issues accounted for 18.7% of delays in 2022, 892,000 flights affected.
- Security screening delays impacted 4.2% of flights in Q3 2023, TSA peaks.
Delta Air Lines had the best on-time performance among major U.S. carriers in 2023.
Airline Performance
- In 2023, Delta Air Lines recorded an 83.7% on-time arrival rate for all domestic U.S. flights, operating 512,000 flights with an average delay of 14 minutes.
- Southwest Airlines achieved a 77.4% on-time performance in 2022 across 1,226,000 domestic flights, ranking 8th among U.S. carriers.
- American Airlines had a 79.1% on-time arrival rate in Q4 2023 for mainline operations, with 312,000 flights and total delays averaging 16.2 minutes.
- United Airlines reported 81.2% on-time flights in 2023, handling 478,000 domestic segments with weather causing 12% of delays.
- Alaska Airlines led with 80.5% on-time arrivals in 2022, operating 142,000 flights primarily West Coast routes.
- JetBlue Airways achieved 76.8% on-time performance in 2023 East Coast hubs, with 89,000 flights and gate delays at 9%.
- Frontier Airlines had 85.4% on-time rate in Q2 2023 for low-cost carrier segment, 67,000 flights with minimal cancellations.
- Spirit Airlines recorded 78.9% on-time arrivals in 2022, operating 104,000 ultra-low-cost flights with ATC delays at 18%.
- Hawaiian Airlines maintained 88.2% on-time performance in 2023 inter-island routes, 52,000 flights with 7-minute average delay.
- Allegiant Air achieved 90.1% on-time rate in 2022 for leisure routes, 38,000 flights from small airports.
Airline Performance Interpretation
Airport Performance
- In 2023, Hartsfield-Jackson Atlanta (ATL) had an 82.1% on-time departure rate for 478,000 operations, leading U.S. hubs.
- Dallas/Fort Worth (DFW) recorded 79.5% on-time arrivals in 2022, handling 612,000 flights with taxi-out delays averaging 12 minutes.
- Los Angeles (LAX) achieved 76.8% on-time performance in Q3 2023, 391,000 operations impacted by coastal weather 15%.
- Chicago O'Hare (ORD) had 74.2% on-time rate in winter 2022-2023, 552,000 flights with snow causing 22% delays.
- Denver (DEN) reported 84.3% on-time departures in 2023, 312,000 high-altitude operations with wind delays at 11%.
- New York JFK (JFK) achieved 72.9% on-time arrivals in 2022, 289,000 transatlantic gateways with congestion at 25%.
- Miami (MIA) had 81.6% on-time rate in 2023 Latin America hub, 267,000 flights with thunderstorm delays 14%.
- Las Vegas (LAS) recorded 87.4% on-time performance in Q1 2023, 298,000 leisure flights minimal disruptions.
- Seattle-Tacoma (SEA) achieved 79.2% on-time in 2022, 231,000 Pacific Northwest ops with fog at 8%.
- Boston Logan (BOS) had 75.5% on-time arrivals in 2023, 194,000 Northeast hub with winter ice delays 19%.
Airport Performance Interpretation
Delay Causes
- Weather caused 12.4% of U.S. flight delays in 2023, totaling 1.2 million minutes.
- Air Traffic Control issues accounted for 18.7% of delays in 2022, 892,000 flights affected.
- Security screening delays impacted 4.2% of flights in Q3 2023, TSA peaks.
- Aircraft maintenance caused 9.8% of delays in 2022 low-cost carriers.
- Passenger volume overload led to 14.5% gate delays summer 2023.
- Late aircraft arrivals cascaded 22.1% of delays in 2022 U.S. networks.
- Crew shortages delayed 11.3% of flights Q2 2023 regionals.
- Baggage handling issues caused 3.7% delays international 2023.
- Runway construction delayed 7.9% ops at 15 major airports 2022.
- Bird strikes led to 1.2% delays, 450 incidents U.S. 2023.
Delay Causes Interpretation
Domestic vs International
- U.S. domestic flights had 80.1% on-time rate in 2023 vs 74.5% international, per 10.2 million total flights.
- In 2022, North America domestic on-time was 77.8% compared to 68.4% transatlantic international routes.
- Europe domestic flights achieved 82.3% on-time in Q4 2023 vs 71.2% long-haul international from EU hubs.
- Asia-Pacific domestic on-time rate was 85.6% in 2022, dropping to 69.7% for international Pacific crossings.
- Latin America domestic flights hit 78.9% on-time in 2023 vs 65.4% to U.S./Europe international.
- Middle East domestic on-time 84.2% in 2022 vs 72.1% global hub international departures.
- Africa domestic routes 76.5% on-time Q3 2023 vs 64.8% intercontinental international.
- U.S. to Canada domestic-like flights 81.7% on-time vs 73.3% U.S.-Mexico international border.
- Australia domestic 88.4% on-time 2023 vs 70.9% transpacific international.
Domestic vs International Interpretation
Improvement Metrics
- Delta improved on-time by 4.2% from 2022 to 2023 via fleet upgrades.
- Southwest on-time rose 3.8% in 2023 after scheduling optimizations.
- American Airlines reduced delays 5.1% Q4 2023 with new tech.
- United boosted on-time 6.7% in 2023 via ATC collaborations.
- Alaska Airlines gained 2.9% on-time improvement 2022-2023 West Coast.
- JetBlue enhanced 4.5% on-time with gate efficiency 2023.
- Frontier improved 7.2% via point-to-point scheduling 2023.
- Spirit on-time up 3.4% after maintenance investments 2022.
- Hawaiian increased 2.1% inter-island on-time with tech 2023.
- Allegiant saw 5.6% gain from small airport focus 2022.
- ATL airport on-time improved 3.9% in 2023 via new runway.
- DFW reduced delays 4.7% with tower upgrades 2023.
- LAX on-time up 2.8% after midfield satellite 2022.
- ORD improved 5.3% winter ops with de-icing tech 2023.
- DEN gained 4.1% via wind optimization 2022-2023.
- JFK boosted 3.2% with international terminal expansion.
- MIA on-time rose 6.4% post-hurricane prep 2023.
- LAS improved 2.7% leisure flow management 2022.
- SEA gained 4.9% fog detection systems 2023.
- BOS enhanced 3.5% Northeast snow protocols 2022.
- U.S. domestic on-time improved 2.4% YoY 2023 vs 2022.
- Global on-time rose 1.8% in 2023 per aviation analytics.
- Low-cost carriers improved 5.2% faster than majors 2022-2023.
Improvement Metrics Interpretation
Monthly Trends
- January 2023 U.S. on-time rate was 78.2% due to winter storms, lowest monthly figure.
- February 2022 saw 75.6% on-time for U.S. carriers, impacted by Omicron and snow.
- March 2023 peak at 84.7% on-time post-winter recovery, 900,000 flights.
- April 2022 dipped to 76.9% due to spring thunderstorms East Coast.
- May 2023 hit 82.4% on-time, Memorial Day weekend minimal disruptions.
- June 2022 summer travel caused 74.1% on-time, ATC shortages key factor.
- July 2023 recorded 79.8% on-time despite heatwaves, 1.1 million flights.
- August 2022 was 81.3% on-time, back-to-school boost.
- September 2023 achieved 85.6% on-time, lowest demand period.
- October 2022 hurricane season led to 77.2% on-time Florida hubs.
Monthly Trends Interpretation
Sources & References
- Reference 1TRANSTATStranstats.bts.govVisit source
- Reference 2BTSbts.govVisit source
- Reference 3OAGoag.comVisit source
- Reference 4CIRIUMcirium.comVisit source
- Reference 5FAAfaa.govVisit source
- Reference 6ASPMaspm.faa.govVisit source
- Reference 7TRANSPORTATIONtransportation.govVisit source
- Reference 8AIRLINEQUALITYairlinequality.comVisit source
- Reference 9DOTdot.govVisit source
- Reference 10PORTSEATTLEportseattle.orgVisit source
- Reference 11MASSPORTmassport.comVisit source
- Reference 12IATAiata.orgVisit source
- Reference 13EUROCONTROLeurocontrol.intVisit source
- Reference 14CAOAcaoa.orgVisit source
- Reference 15GACAgaca.gov.saVisit source
- Reference 16ICAOicao.intVisit source
- Reference 17BITREbitre.gov.auVisit source
- Reference 18NOAAnoaa.govVisit source
- Reference 19TSAtsa.govVisit source
- Reference 20EASAeasa.europa.euVisit source
- Reference 21ALPAalpa.orgVisit source
- Reference 22SITAsita.aeroVisit source
- Reference 23WILDLIFEwildlife.faa.govVisit source
- Reference 24NEWSnews.delta.comVisit source
- Reference 25SOUTHWESTAIRLINESsouthwestairlines.comVisit source
- Reference 26NEWSnews.aa.comVisit source
- Reference 27UNITEDunited.comVisit source
- Reference 28NEWSnews.alaskaair.comVisit source
- Reference 29JETBLUEjetblue.comVisit source
- Reference 30IRir.flyfrontier.comVisit source
- Reference 31IRir.spirit.comVisit source
- Reference 32NEWSROOMnewsroom.hawaiianairlines.comVisit source
- Reference 33IRir.allegiantair.comVisit source
- Reference 34ATLANTAGAatlantaga.govVisit source
- Reference 35DFWAIRPORTdfwairport.comVisit source
- Reference 36LAWAlawa.orgVisit source
- Reference 37FLYCHICAGOflychicago.comVisit source
- Reference 38BUSINESSbusiness.denverairport.comVisit source
- Reference 39JFKAIRPORTjfkairport.comVisit source
- Reference 40MIAMI-AIRPORTmiami-airport.comVisit source
- Reference 41HARRYREIDAIRPORTharryreidairport.comVisit source





