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Flight Reliability

UA 2863 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2863 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

69%
Arrive within 15 minutes
11 min
Average arrival delay
1.4%
Cancelled
0 min
Median arrival delay

Based on 559 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(80 flights)
  • Tue68%(78 flights)
  • Wed64%(77 flights)
  • Thu70%(79 flights)
  • Fri70%(80 flights)
  • Sat69%(75 flights)
  • Sun69%(81 flights)
On-time by departure window
  • 3–6 AM97%(58 flights)
  • 6–9 AM62%(273 flights)
  • 9 AM–12 PM67%(92 flights)
  • 12–3 PM71%(77 flights)
  • 6–9 PM78%(50 flights)
On-time trend by month
90%
May

Jun 63% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%38
July 202556%59
August 202556%48
September 202564%28
October 202563%30
November 202553%30
December 202570%46
January 202678%37
February 202670%43
March 202659%41
April 202683%89
May 202690%61
Departures on time
84%
Diverted
0.2%
Flights flown
550
Months covered
12

Keep nerding

Based on 559 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.