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US airline · UA

United Airlines on-time record

United Airlines (UA) flew 825,693 US domestic flights from August 2025 to July 2026. 79.3% arrived within 15 minutes of schedule, 1.6 points above the US average of 77.6%; 1% were cancelled, and flights arrived about 6 minutes late on average. That ranks United Airlines fourth of 12 US airlines with a full year of figures.

79.3%
on time (within 15 min)
1%
cancelled
13.2%
more than 30 min late
+6 min
average arrival vs schedule

825,693 flights, 2,149 flight numbers, 1,065 routes and 134 airports, August 2025 to July 2026. Source: US Bureau of Transportation Statistics, public domain.

United Airlines on-time record by month

MonthOn timeCancelledFlights
July 202673.4%2%74,440
June 202674.7%0.6%72,791
May 202680%0.4%74,200
April 202682.6%0.5%69,451
March 202679.1%1.5%70,757
February 202684.2%1.6%59,806
January 202682%2.4%63,781
December 202577.3%0.4%65,865
November 202579.3%1.5%66,691
October 202580.4%0.3%71,415
September 202583%0.3%67,550
August 202576.5%1.1%68,946

Each month links to that month's US punctuality report, with every airline ranked.

Where United Airlines flies from most

  1. Denver (DEN)79.1%
  2. Chicago O'Hare (ORD)73.8%
  3. Houston (IAH)80%
  4. Newark Liberty (EWR)77%
  5. San Francisco (SFO)80.8%
  6. Washington Dulles (IAD)82.5%
  7. Los Angeles (LAX)83.1%
  8. Las Vegas (LAS)80.5%
  9. Orlando (MCO)81.5%
  10. Boston (BOS)78.7%

United Airlines' busiest routes

  1. Chicago to New York67.3%
  2. New York to Chicago67.3%
  3. Chicago to Newark72.1%
  4. Newark to Chicago71.4%
  5. Houston to Chicago78.6%
  6. Chicago to Houston80.1%
  7. Newark to Orlando79.7%
  8. Orlando to Newark78.6%
  9. Denver to Houston79.3%
  10. Houston to Denver82.4%

Most punctual busy routes

  1. Lihue to Denver96.5%
  2. Sacramento to Washington96.1%
  3. San Antonio to Washington93.7%
  4. Los Angeles to Lihue93.4%
  5. Albuquerque to Houston92.9%
  6. Los Angeles to Cleveland92.4%
  7. Kona to Los Angeles92.2%
  8. Norfolk to Washington92.2%

Least punctual busy routes

  1. Palm Springs to San Francisco58.8%
  2. Chicago to Sioux Falls59.2%
  3. Burbank to San Francisco61.3%
  4. Reno to San Francisco61.4%
  5. Seattle to San Francisco62.2%
  6. Chicago to Cedar Rapids63%
  7. Chicago to Reno63.6%
  8. Chicago to Wichita63.9%

Most punctual flights

  1. UA45996.9%
  2. UA230896.6%
  3. UA231496%
  4. UA164495.8%
  5. UA228595.4%
  6. UA175095.3%
  7. UA266695%
  8. UA226095%

Least punctual flights

  1. UA214851.3%
  2. UA229951.5%
  3. UA204052.8%
  4. UA123754.5%
  5. UA205954.8%
  6. UA118255.1%
  7. UA25455.2%
  8. UA268155.5%

On-time shares are for August 2025 to July 2026. Routes with at least 300 flights and flight numbers with at least 200 flights in the period.

Questions and answers

Is United Airlines usually on time?
79.3% of United Airlines' 825,693 US domestic flights from August 2025 to July 2026 arrived within 15 minutes of schedule, 1.6 points above the US average of 77.6%. That ranks it fourth of 12 US airlines with a full year of figures. Its flights arrived about 6 minutes late on average.
How often does United Airlines cancel flights?
1% of United Airlines' scheduled flights were cancelled from August 2025 to July 2026. That is the third lowest cancellation rate of 12 US airlines with a full year of figures.
When is United Airlines most and least punctual?
In the period, United Airlines' best month was February 2026 (84.2% on time) and its worst was July 2026 (73.4%).
What is United Airlines' most punctual busy route?
Lihue to Denver: 96.5% of 379 flights on time from August 2025 to July 2026, among United Airlines routes with at least 300 flights.
Where does United Airlines fly from most?
By departures from August 2025 to July 2026: Denver (DEN), 107,510; Chicago O'Hare (ORD), 100,681; Houston (IAH), 74,382.

Compare United Airlines with every other US airline in the US airline on-time league table, or read how TripStow measures punctuality.

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