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WanderNerd

Flight Reliability

UA 5048 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5048 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

64%
Arrive within 15 minutes
36 min
Average arrival delay
4.1%
Cancelled
1 min
Median arrival delay

Based on 364 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(50 flights)
  • Tue71%(48 flights)
  • Wed63%(51 flights)
  • Thu69%(49 flights)
  • Fri63%(49 flights)
  • Sat56%(50 flights)
  • Sun56%(50 flights)
On-time by departure window
  • 3–6 PM55%(74 flights)
  • 6–9 PM44%(23 flights)
  • 9 PM–12 AM69%(250 flights)
On-time trend by month
68%
May

Jun 50% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%28
July 202559%29
August 202569%29
September 202567%30
October 202552%31
November 202582%28
December 202560%30
January 202661%31
February 202682%28
March 202674%27
April 202648%25
May 202668%31
Departures on time
67%
Diverted
0.5%
Flights flown
347
Months covered
12

Based on 364 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.