Skip to content
WanderNerd

Flight Reliability

UA 5424 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5424 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

77%
Arrive within 15 minutes
11 min
Average arrival delay
1.0%
Cancelled
5 min early
Median arrival delay

Based on 287 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(39 flights)
  • Tue91%(42 flights)
  • Wed79%(43 flights)
  • Thu72%(39 flights)
  • Fri62%(39 flights)
  • Sat71%(38 flights)
  • Sun83%(42 flights)
On-time by departure window
  • 6–9 AM68%(34 flights)
  • 12–3 PM75%(157 flights)
  • 3–6 PM83%(70 flights)
  • 6–9 PM91%(21 flights)
On-time trend by month
54%
May

Jun 57% → May 54% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%28
July 202570%30
August 202581%31
September 202584%19
November 202590%29
December 202567%30
January 202690%30
February 2026100%14
April 202683%30
May 202654%26
Departures on time
78%
Diverted
0.7%
Flights flown
282
Months covered
12

Based on 287 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.