Skip to content
WanderNerd
Check a flight

Flight Reliability

UA 1525 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1525 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
3 min
Average arrival delay
1.4%
Cancelled
9 min early
Median arrival delay

Based on 792 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(114 flights)
  • Tue82%(108 flights)
  • Wed84%(107 flights)
  • Thu85%(113 flights)
  • Fri84%(115 flights)
  • Sat85%(109 flights)
  • Sun74%(114 flights)
On-time by departure window
  • 6–9 AM93%(222 flights)
  • 9 AM–12 PM80%(337 flights)
  • 12–3 PM77%(186 flights)
  • 3–6 PM83%(35 flights)
On-time trend by month
92%
May

Jun 93% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%89
July 202581%90
August 202587%93
September 202592%89
October 202562%60
November 202566%53
December 202576%92
January 202683%59
February 2026100%36
March 202682%39
April 202686%29
May 202692%51
Departures on time
88%
Diverted
0.1%
Flights flown
780
Months covered
12

Keep nerding

Based on 792 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.