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Flight Reliability

UA 2454 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2454 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

67%
Arrive within 15 minutes
19 min
Average arrival delay
2.1%
Cancelled
1 min
Median arrival delay

Based on 437 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon62%(69 flights)
  • Tue80%(65 flights)
  • Wed60%(70 flights)
  • Thu70%(70 flights)
  • Fri64%(69 flights)
  • Sat82%(22 flights)
  • Sun63%(62 flights)
On-time by departure window
  • 6–9 AM100%(14 flights)
  • 9 AM–12 PM85%(65 flights)
  • 12–3 PM46%(72 flights)
  • 3–6 PM67%(269 flights)
  • 6–9 PM—(7 flights)
On-time trend by month
67%
May

Jun 77% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%26
July 202538%48
August 202556%27
September 202563%46
October 202574%27
November 202576%29
December 202554%28
January 202683%23
February 202680%20
March 202670%47
April 202684%55
May 202667%51
Departures on time
77%
Diverted
0.2%
Flights flown
427
Months covered
12

Keep nerding

Based on 437 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.