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Flight Reliability

UA 2645 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2645 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

75%
Arrive within 15 minutes
16 min
Average arrival delay
1.2%
Cancelled
4 min early
Median arrival delay

Based on 427 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(65 flights)
  • Tue84%(64 flights)
  • Wed70%(59 flights)
  • Thu74%(61 flights)
  • Fri73%(63 flights)
  • Sat75%(48 flights)
  • Sun70%(60 flights)
On-time by departure window
  • 3–6 AM—(3 flights)
  • 6–9 AM91%(115 flights)
  • 9 AM–12 PM79%(95 flights)
  • 3–6 PM61%(51 flights)
  • 6–9 PM62%(105 flights)
  • 9 PM–12 AM71%(51 flights)
On-time trend by month
90%
May

Jun 71% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%70
July 202579%28
August 202555%31
September 202557%28
October 202552%33
November 202569%52
December 202573%33
January 202689%26
February 202689%27
March 2026100%31
April 202687%30
May 202690%31
Departures on time
78%
Diverted
0.5%
Flights flown
420
Months covered
12

Keep nerding

Based on 427 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.