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Flight Reliability

UA 1499 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1499 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

76%
Arrive within 15 minutes
15 min
Average arrival delay
1.1%
Cancelled
5 min early
Median arrival delay

Based on 443 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(62 flights)
  • Tue83%(64 flights)
  • Wed73%(64 flights)
  • Thu73%(62 flights)
  • Fri73%(64 flights)
  • Sat79%(57 flights)
  • Sun66%(64 flights)
On-time by departure window
  • 6–9 AM96%(49 flights)
  • 9 AM–12 PM81%(247 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM61%(18 flights)
  • 6–9 PM70%(71 flights)
  • 9 PM–12 AM45%(51 flights)
On-time trend by month
74%
May

Jun 62% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%39
July 202541%29
August 202557%53
September 202597%30
October 202581%31
November 202563%24
December 202584%31
January 202697%29
February 202691%44
March 202679%38
April 202686%58
May 202674%31
Departures on time
78%
Diverted
0.2%
Flights flown
437
Months covered
12

Keep nerding

Based on 443 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.