Skip to content
WanderNerd
Check a flight

Flight Reliability

UA 5212 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5212 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
3 min
Average arrival delay
1.1%
Cancelled
6 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(50 flights)
  • Tue85%(52 flights)
  • Wed88%(51 flights)
  • Thu82%(51 flights)
  • Fri73%(51 flights)
  • Sat83%(52 flights)
  • Sun91%(53 flights)
On-time by departure window
  • 6–9 AM89%(26 flights)
  • 9 AM–12 PM89%(273 flights)
  • 12–3 PM53%(61 flights)
On-time trend by month
45%
May

Jun 90% → May 45% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202577%31
August 202590%31
September 202597%30
October 202597%31
November 2025100%30
December 202577%31
January 202697%31
February 202689%28
March 202674%27
April 202662%29
May 202645%31
Departures on time
83%
Diverted
0%
Flights flown
360
Months covered
12

Keep nerding

Based on 364 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.