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Flight Reliability

UA 1273 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1273 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

78%
Arrive within 15 minutes
3 min
Average arrival delay
1.8%
Cancelled
7 min early
Median arrival delay

Based on 434 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(62 flights)
  • Tue81%(63 flights)
  • Wed79%(63 flights)
  • Thu80%(64 flights)
  • Fri69%(65 flights)
  • Sat77%(51 flights)
  • Sun73%(56 flights)
On-time by departure window
  • 6–9 AM90%(91 flights)
  • 9 AM–12 PM82%(254 flights)
  • 3–6 PM50%(32 flights)
  • 6–9 PM52%(46 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
73%
May

Jun 87% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%31
July 202585%54
August 202570%53
September 202557%51
October 202587%31
November 202575%28
December 202573%30
January 202679%29
February 202689%26
March 202687%31
April 202687%30
May 202673%30
Departures on time
84%
Diverted
0.5%
Flights flown
424
Months covered
12

Keep nerding

Based on 434 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.