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WanderNerd

Flight Reliability

UA 5020 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5020 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

80%
Arrive within 15 minutes
20 min
Average arrival delay
4.6%
Cancelled
7 min early
Median arrival delay

Based on 482 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(66 flights)
  • Tue83%(66 flights)
  • Wed74%(66 flights)
  • Thu80%(66 flights)
  • Fri87%(67 flights)
  • Sat87%(62 flights)
  • Sun77%(65 flights)
On-time by departure window
  • 6–9 AM80%(274 flights)
  • 9 AM–12 PM80%(97 flights)
  • 12–3 PM81%(87 flights)
On-time trend by month
75%
May

Jun 72% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%29
July 202583%29
August 202589%61
September 202583%53
October 202584%31
November 202582%28
December 202578%50
January 202682%34
February 202679%28
March 202669%49
April 202680%30
May 202675%36
Departures on time
83%
Diverted
0.4%
Flights flown
458
Months covered
12

Based on 482 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.