Skip to content
WanderNerd

Flight Reliability

UA 1281 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1281 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

83%
Arrive within 15 minutes
4 min
Average arrival delay
0.4%
Cancelled
6 min early
Median arrival delay

Based on 511 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(74 flights)
  • Tue77%(73 flights)
  • Wed81%(72 flights)
  • Thu83%(70 flights)
  • Fri81%(72 flights)
  • Sat89%(72 flights)
  • Sun84%(75 flights)
On-time by departure window
  • 6–9 AM86%(83 flights)
  • 9 AM–12 PM74%(98 flights)
  • 12–3 PM91%(21 flights)
  • 3–6 PM85%(306 flights)
On-time trend by month
90%
May

Jun 84% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%85
July 202566%61
August 202571%49
September 202580%30
October 202590%31
November 202580%30
December 202590%31
January 202683%30
February 202686%62
March 202695%38
April 202697%30
May 202690%31
Departures on time
85%
Diverted
0.2%
Flights flown
508
Months covered
12

Based on 511 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.