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Flight Reliability

UA 1246 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1246 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

76%
Arrive within 15 minutes
14 min
Average arrival delay
1.0%
Cancelled
6 min early
Median arrival delay

Based on 579 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(84 flights)
  • Tue77%(81 flights)
  • Wed81%(79 flights)
  • Thu76%(80 flights)
  • Fri75%(79 flights)
  • Sat78%(82 flights)
  • Sun74%(82 flights)
On-time by departure window
  • 6–9 AM85%(117 flights)
  • 9 AM–12 PM96%(24 flights)
  • 12–3 PM74%(307 flights)
  • 3–6 PM71%(119 flights)
On-time trend by month
84%
May

Jun 48% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202548%29
July 202554%28
August 202564%47
September 202581%36
October 202586%66
November 202581%84
December 202579%57
January 202679%33
February 202682%28
March 202670%77
April 202694%31
May 202684%51
Departures on time
79%
Diverted
1.0%
Flights flown
567
Months covered
12

Keep nerding

Based on 579 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.