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WanderNerd

Flight Reliability

UA 263 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 263 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

92%
Arrive within 15 minutes
6 min early
Average arrival delay
1.4%
Cancelled
10 min early
Median arrival delay

Based on 144 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon96%(22 flights)
  • Tue100%(18 flights)
  • Wed94%(17 flights)
  • Thu82%(22 flights)
  • Fri95%(21 flights)
  • Sat100%(18 flights)
  • Sun79%(24 flights)
On-time by departure window
  • 6–9 AM92%(60 flights)
  • 12–3 PM95%(21 flights)
  • 3–6 PM83%(24 flights)
  • 6–9 PM95%(37 flights)
On-time trend by month
86%
Mar

Nov 90% → Mar 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202590%20
December 202593%30
January 202690%31
February 202696%28
March 202686%28
Departures on time
86%
Diverted
0%
Flights flown
142
Months covered
6

Based on 144 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.