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Flight Reliability

UA 373 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 373 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

88%
Arrive within 15 minutes
6 min
Average arrival delay
0.2%
Cancelled
10 min early
Median arrival delay

Based on 552 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(82 flights)
  • Tue92%(75 flights)
  • Wed92%(78 flights)
  • Thu88%(80 flights)
  • Fri91%(77 flights)
  • Sat91%(75 flights)
  • Sun79%(82 flights)
On-time by departure window
  • 6–9 AM91%(345 flights)
  • 3–6 PM84%(179 flights)
  • 6–9 PM—(8 flights)
  • 9 PM–12 AM82%(17 flights)
On-time trend by month
68%
May

Jun 92% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%37
July 202590%31
August 202587%78
September 202595%58
October 202597%31
November 202593%30
December 202587%45
January 202687%55
February 202687%55
March 202689%36
April 202689%56
May 202668%37
Departures on time
88%
Diverted
0.4%
Flights flown
549
Months covered
12

Keep nerding

Based on 552 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.