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Flight Reliability

UA 5015 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5015 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

81%
Arrive within 15 minutes
10 min
Average arrival delay
0%
Cancelled
6 min early
Median arrival delay

Based on 397 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(60 flights)
  • Tue81%(47 flights)
  • Wed90%(57 flights)
  • Thu85%(58 flights)
  • Fri74%(58 flights)
  • Sat76%(50 flights)
  • Sun79%(62 flights)
On-time by departure window
  • 9 AM–12 PM91%(32 flights)
  • 12–3 PM78%(207 flights)
  • 6–9 PM82%(136 flights)
  • 9 PM–12 AM82%(17 flights)
On-time trend by month
88%
May

Jun 61% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%33
July 202574%31
August 202577%39
September 202585%47
October 202584%31
November 202594%31
December 202581%41
January 202678%36
February 202682%28
March 202684%31
April 202685%20
May 202688%24
Departures on time
82%
Diverted
1.3%
Flights flown
392
Months covered
12

Keep nerding

Based on 397 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.