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WanderNerd

Flight Reliability

UA 549 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 549 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

72%
Arrive within 15 minutes
16 min
Average arrival delay
0.6%
Cancelled
1 min early
Median arrival delay

Based on 329 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(50 flights)
  • Tue86%(43 flights)
  • Wed70%(43 flights)
  • Thu71%(51 flights)
  • Fri64%(52 flights)
  • Sat68%(40 flights)
  • Sun74%(46 flights)
On-time by departure window
  • 12–3 PM80%(79 flights)
  • 3–6 PM81%(109 flights)
  • 6–9 PM61%(136 flights)
  • 9 PM–12 AM(1 flights)
On-time trend by month
86%
May

Jun 56% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202556%27
July 202550%12
August 202570%20
September 202559%29
October 202555%31
November 202563%27
December 202568%25
January 202672%18
February 202692%25
March 202677%31
April 202693%30
May 202686%50
Departures on time
77%
Diverted
0.6%
Flights flown
325
Months covered
12

Based on 329 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.