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Flight Reliability

UA 5107 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5107 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

71%
Arrive within 15 minutes
21 min
Average arrival delay
1.1%
Cancelled
4 min early
Median arrival delay

Based on 553 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(85 flights)
  • Tue77%(60 flights)
  • Wed78%(72 flights)
  • Thu68%(80 flights)
  • Fri65%(83 flights)
  • Sat79%(77 flights)
  • Sun67%(87 flights)
On-time by departure window
  • 3–6 PM72%(53 flights)
  • 6–9 PM71%(491 flights)
On-time trend by month
82%
May

Jun 55% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%47
July 202552%29
August 202539%44
September 202579%34
October 202575%55
November 202579%58
December 202557%42
January 202686%35
February 202688%40
March 202674%57
April 202682%49
May 202682%54
Departures on time
73%
Diverted
0.5%
Flights flown
544
Months covered
12

Keep nerding

Based on 553 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.