TripStow
TripStow Delay Index · published 15 October 2026

US flight punctuality: August 2026

In August 2026, 73.1% of 608,389 US domestic flights arrived within 15 minutes of schedule, up 1.5 points on the month before. 1.9% were cancelled, and flights arrived 14 minutes late on average. Envoy Air was the most punctual airline at 79.8%, and JetBlue Airways the least at 64%. PSA Airlines improved the most, up 4.9 points.

73.1%
on time
+1.5 pts
change on the month
1.9%
cancelled
608,389
flights

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Airlines ranked by on-time arrivals

AirlineOn timeChangeCancelledAverage delayFlights
1Envoy Air MQ79.8%-1.41.2%+5 min29,200
2Delta Air Lines DL78.4%+4.31%+8 min91,186
3Republic Airways YX75.8%+0.36.7%+10 min31,242
4Alaska Airlines AS75.5%-1.31.5%+7 min31,385
5SkyWest Airlines OO75.4%-0.71.1%+13 min75,426
6Allegiant Air G473.8%+4.60.4%+19 min10,005
7United Airlines UA71.9%-1.51.1%+17 min74,078
8American Airlines AA71.5%+4.61.2%+18 min84,271
9Southwest Airlines WN70.1%+0.90.8%+13 min116,362
10PSA Airlines OH68.4%+4.98.5%+25 min21,191
11Frontier Airlines F966.6%+1.63%+23 min20,314
12JetBlue Airways B664%+1.86.2%+25 min23,729

Airlines with at least 1,000 flights in the month. Change is in percentage points against the month before. Each airline's 12-month record is in the US airline league table.

Most punctual busy routes

  1. Houston to Los Angeles89.4%
  2. Sacramento to Los Angeles88%
  3. Kahului to Honolulu87.7%
  4. Austin to Los Angeles87.3%
  5. Cleveland to Atlanta87.3%
  6. Los Angeles to Portland87.2%
  7. Lihue to Honolulu86.9%
  8. Los Angeles to Sacramento86.2%
  9. Seattle to Boise85.4%
  10. Honolulu to Kona85.2%

Least punctual busy routes

  1. San Diego to San Francisco39.9%
  2. Las Vegas to San Diego40.9%
  3. San Francisco to San Diego42.3%
  4. Las Vegas to San Francisco43.3%
  5. Phoenix to San Francisco45.4%
  6. Oakland to San Diego45.9%
  7. San Jose to San Diego46.8%
  8. Seattle to San Francisco48.6%
  9. Dallas-Fort Worth to San Diego49.3%
  10. Sacramento to San Diego51.4%

Most punctual airports

  1. Kahului (OGG)85.6%
  2. Anchorage (ANC)83.4%
  3. San Antonio (SAT)82.5%
  4. Ontario (ONT)80.9%
  5. Oklahoma City (OKC)80.8%
  6. Indianapolis (IND)80.5%
  7. Boise (BOI)80.4%
  8. Albuquerque (ABQ)80.4%
  9. Honolulu (HNL)80.2%
  10. Houston (IAH)80.1%

Least punctual airports

  1. New York (JFK)64.6%
  2. Chicago O'Hare (ORD)64.6%
  3. San Diego (SAN)64.9%
  4. San Francisco (SFO)65.5%
  5. Chicago Midway (MDW)66%
  6. Denver (DEN)67.1%
  7. Charlotte Douglas (CLT)67.1%
  8. Washington (DCA)67.7%
  9. Philadelphia (PHL)67.8%
  10. New York (LGA)68.2%

Most punctual flights

  1. MQ3700100%
  2. DL1699100%
  3. OO4119100%
  4. MQ4009100%
  5. AA1533100%
  6. MQ3473100%
  7. MQ3378100%
  8. DL1608100%
  9. MQ3926100%
  10. DL1462100%

Least punctual flights

  1. WN34092.8%
  2. WN443711.5%
  3. WN354612%
  4. B639813.3%
  5. WN432813.8%
  6. WN284013.8%
  7. WN356414.3%
  8. WN362614.3%
  9. WN442415.4%
  10. OO303415.4%

Routes with at least 300 flights, airports with at least 2,000 departures and flight numbers with at least 25 flights in August 2026.

About this report

Figures cover every domestic flight by a large US airline in August 2026, from the US Bureau of Transportation Statistics (public domain). On time means arriving within 15 minutes of schedule; see how we measure punctuality. Look up any flight, route or airport in flight stats, and embed a live badge on your own site from any of those pages.

You are welcome to quote this report with a link to this page.

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