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WanderNerd

Flight Reliability

UA 1215 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1215 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

80%
Arrive within 15 minutes
4 min
Average arrival delay
0%
Cancelled
7 min early
Median arrival delay

Based on 334 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(48 flights)
  • Tue75%(47 flights)
  • Wed81%(47 flights)
  • Thu83%(48 flights)
  • Fri80%(49 flights)
  • Sat84%(45 flights)
  • Sun79%(48 flights)
On-time by departure window
  • 6–9 AM84%(31 flights)
  • 9 AM–12 PM82%(202 flights)
  • 12–3 PM81%(62 flights)
  • 6–9 PM68%(37 flights)
On-time trend by month
84%
May

Jun 97% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
July 202584%31
August 202594%31
September 202583%30
October 202539%31
November 202567%30
February 202694%31
March 202682%56
April 202680%30
May 202684%31
Departures on time
83%
Diverted
0.6%
Flights flown
332
Months covered
11

Based on 334 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.