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Flight Reliability

UA 624 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 624 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

73%
Arrive within 15 minutes
18 min
Average arrival delay
0.4%
Cancelled
2 min early
Median arrival delay

Based on 456 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon66%(67 flights)
  • Tue81%(36 flights)
  • Wed77%(77 flights)
  • Thu73%(74 flights)
  • Fri73%(78 flights)
  • Sat79%(43 flights)
  • Sun68%(78 flights)
On-time by departure window
  • 6–9 AM100%(12 flights)
  • 12–3 PM—(3 flights)
  • 3–6 PM75%(178 flights)
  • 6–9 PM68%(220 flights)
  • 9 PM–12 AM85%(40 flights)
On-time trend by month
76%
May

Jun 82% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%17
July 202552%31
August 202544%25
September 202575%44
October 202581%57
November 202567%48
December 202561%38
February 202681%31
March 202681%48
April 202688%49
May 202676%58
Departures on time
71%
Diverted
0.2%
Flights flown
453
Months covered
12

Keep nerding

Based on 456 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.