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Flight Reliability

UA 280 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 280 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
10 min
Average arrival delay
0%
Cancelled
0 min
Median arrival delay

Based on 421 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(59 flights)
  • Tue84%(57 flights)
  • Wed74%(57 flights)
  • Thu73%(60 flights)
  • Fri69%(62 flights)
  • Sat69%(61 flights)
  • Sun73%(62 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM96%(23 flights)
  • 12–3 PM73%(15 flights)
  • 3–6 PM70%(74 flights)
  • 6–9 PM78%(254 flights)
  • 9 PM–12 AM59%(51 flights)
On-time trend by month
88%
May

Jun 53% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%30
July 202567%21
August 202562%29
September 202596%26
October 202584%31
November 202570%30
December 202568%60
January 202686%36
February 202668%28
March 202667%55
April 202693%30
May 202688%42
Departures on time
78%
Diverted
0.7%
Flights flown
418
Months covered
12

Keep nerding

Based on 421 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.