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Flight Reliability

UA 1351 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1351 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

75%
Arrive within 15 minutes
12 min
Average arrival delay
0.5%
Cancelled
4 min early
Median arrival delay

Based on 583 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(83 flights)
  • Tue71%(82 flights)
  • Wed76%(82 flights)
  • Thu76%(80 flights)
  • Fri74%(81 flights)
  • Sat76%(83 flights)
  • Sun75%(87 flights)
On-time by departure window
  • 6–9 AM77%(43 flights)
  • 12–3 PM83%(192 flights)
  • 3–6 PM70%(312 flights)
  • 6–9 PM68%(31 flights)
On-time trend by month
80%
May

Jun 47% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202547%30
July 202539%31
August 202565%46
September 202573%30
October 202573%37
November 202588%58
December 202565%31
January 202679%57
February 202680%56
March 202688%40
April 202683%89
May 202680%73
Departures on time
79%
Diverted
0.3%
Flights flown
578
Months covered
12

Keep nerding

Based on 583 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.