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Flight Reliability

UA 2221 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2221 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

79%
Arrive within 15 minutes
7 min
Average arrival delay
0.9%
Cancelled
5 min early
Median arrival delay

Based on 341 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(51 flights)
  • Tue75%(40 flights)
  • Wed83%(41 flights)
  • Thu77%(52 flights)
  • Fri83%(52 flights)
  • Sat81%(47 flights)
  • Sun79%(53 flights)
On-time by departure window
  • 6–9 AM81%(16 flights)
  • 9 AM–12 PM70%(33 flights)
  • 12–3 PM73%(90 flights)
  • 3–6 PM92%(89 flights)
  • 6–9 PM76%(108 flights)
On-time trend by month
74%
May

Jun 93% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202593%30
August 202568%31
September 202580%30
October 202571%31
November 202580%30
December 202584%31
January 202668%31
February 202662%26
March 2026100%22
April 202681%21
May 202674%23
Departures on time
81%
Diverted
0.6%
Flights flown
336
Months covered
12

Keep nerding

Based on 341 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.