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Flight Reliability

UA 1304 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1304 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

86%
Arrive within 15 minutes
1 min
Average arrival delay
0.5%
Cancelled
8 min early
Median arrival delay

Based on 571 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(83 flights)
  • Tue89%(81 flights)
  • Wed85%(82 flights)
  • Thu93%(81 flights)
  • Fri84%(80 flights)
  • Sat82%(78 flights)
  • Sun86%(80 flights)
On-time by departure window
  • 6–9 AM89%(375 flights)
  • 9 AM–12 PM81%(190 flights)
On-time trend by month
100%
May

Jun 90% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%59
July 202592%61
August 202593%61
September 202588%59
October 202593%61
November 202588%58
December 202574%61
January 202672%36
February 202671%28
March 202677%31
April 202683%30
May 2026100%20
Departures on time
88%
Diverted
0.5%
Flights flown
565
Months covered
12

Keep nerding

Based on 571 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.