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Flight Reliability

UA 2455 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2455 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

86%
Arrive within 15 minutes
1 min early
Average arrival delay
1.0%
Cancelled
10 min early
Median arrival delay

Based on 387 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(61 flights)
  • Tue89%(45 flights)
  • Wed88%(42 flights)
  • Thu85%(61 flights)
  • Fri86%(62 flights)
  • Sat85%(52 flights)
  • Sun87%(60 flights)
On-time by departure window
  • 12–3 AM94%(17 flights)
  • 6–9 AM93%(150 flights)
  • 9 AM–12 PM80%(176 flights)
  • 12–3 PM84%(32 flights)
  • 6–9 PM—(7 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
90%
May

Jun 89% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202589%44
July 202586%21
August 2025100%27
September 202593%30
October 202581%31
November 202580%30
December 202555%31
January 202680%46
February 202693%27
March 202688%17
April 202697%30
May 202690%49
Departures on time
85%
Diverted
0%
Flights flown
383
Months covered
12

Keep nerding

Based on 387 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.