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Flight Reliability

UA 5126 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5126 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

85%
Arrive within 15 minutes
10 min
Average arrival delay
1.7%
Cancelled
9 min early
Median arrival delay

Based on 411 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(60 flights)
  • Tue86%(50 flights)
  • Wed90%(59 flights)
  • Thu88%(59 flights)
  • Fri77%(62 flights)
  • Sat90%(49 flights)
  • Sun82%(62 flights)
On-time by departure window
  • 3–6 AM89%(79 flights)
  • 6–9 AM89%(63 flights)
  • 12–3 PM85%(89 flights)
  • 3–6 PM82%(105 flights)
  • 6–9 PM83%(65 flights)
On-time trend by month
84%
May

Jun 84% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%55
July 202590%31
August 202592%39
September 202596%23
October 202585%34
November 202574%39
December 202590%30
January 202677%31
February 202682%27
March 202684%31
April 202690%30
May 202684%31
Departures on time
85%
Diverted
0.7%
Flights flown
401
Months covered
12

Keep nerding

Based on 411 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.