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Flight Reliability

UA 248 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 248 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
5 min
Average arrival delay
0.9%
Cancelled
10 min early
Median arrival delay

Based on 450 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(66 flights)
  • Tue84%(63 flights)
  • Wed90%(61 flights)
  • Thu86%(66 flights)
  • Fri84%(67 flights)
  • Sat86%(55 flights)
  • Sun75%(67 flights)
On-time by departure window
  • 3–6 AM92%(25 flights)
  • 6–9 AM87%(117 flights)
  • 12–3 PM81%(242 flights)
  • 3–6 PM79%(58 flights)
  • 6–9 PM—(3 flights)
On-time trend by month
77%
May

Jun 93% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202584%31
August 202590%31
September 202593%30
October 202589%37
November 202583%58
December 202566%32
January 202680%46
February 202683%36
March 202673%30
April 202687%31
May 202677%53
Departures on time
85%
Diverted
0.2%
Flights flown
445
Months covered
12

Keep nerding

Based on 450 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.