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Flight Reliability

UA 2253 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2253 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 early
Average arrival delay
0.9%
Cancelled
13 min early
Median arrival delay

Based on 437 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(76 flights)
  • Tue89%(46 flights)
  • Wed85%(52 flights)
  • Thu86%(73 flights)
  • Fri85%(74 flights)
  • Sat82%(50 flights)
  • Sun80%(61 flights)
On-time by departure window
  • 6–9 AM88%(162 flights)
  • 9 AM–12 PM90%(153 flights)
  • 12–3 PM77%(94 flights)
  • 3–6 PM64%(22 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
84%
May

Jun 77% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%48
July 202576%29
August 202581%48
September 202596%45
October 202589%55
November 202586%59
December 202566%32
January 202677%17
February 202690%19
March 202690%20
April 2026100%29
May 202684%31
Departures on time
87%
Diverted
0.2%
Flights flown
432
Months covered
12

Keep nerding

Based on 437 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.