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WanderNerd

Flight Reliability

UA 5236 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5236 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
1 min
Average arrival delay
0.7%
Cancelled
8 min early
Median arrival delay

Based on 279 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(38 flights)
  • Tue78%(37 flights)
  • Wed90%(40 flights)
  • Thu83%(42 flights)
  • Fri83%(42 flights)
  • Sat92%(38 flights)
  • Sun78%(40 flights)
On-time by departure window
  • 6–9 AM94%(32 flights)
  • 9 AM–12 PM83%(57 flights)
  • 12–3 PM84%(31 flights)
  • 3–6 PM85%(124 flights)
  • 6–9 PM79%(33 flights)
On-time trend by month
75%
May

Jul 87% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202587%31
August 202587%31
September 202583%30
October 202584%25
December 202587%15
January 202677%30
February 202696%26
March 202677%30
April 202690%30
May 202675%24
Departures on time
85%
Diverted
0%
Flights flown
277
Months covered
11

Based on 279 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.