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WanderNerd

Flight Reliability

UA 4007 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4007 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

84%
Arrive within 15 minutes
1 min
Average arrival delay
1.3%
Cancelled
12 min early
Median arrival delay

Based on 228 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(31 flights)
  • Tue91%(32 flights)
  • Wed87%(31 flights)
  • Thu94%(32 flights)
  • Fri85%(34 flights)
  • Sat74%(31 flights)
  • Sun82%(33 flights)
On-time by departure window
  • 3–6 AM100%(27 flights)
  • 9 AM–12 PM85%(13 flights)
  • 12–3 PM86%(90 flights)
  • 3–6 PM76%(38 flights)
  • 6–9 PM100%(18 flights)
  • 9 PM–12 AM71%(38 flights)
On-time trend by month
69%
May

Oct 94% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202594%31
November 202587%30
December 202587%30
January 202676%29
February 202692%26
March 202677%30
April 202683%29
May 202669%13
Departures on time
83%
Diverted
0.4%
Flights flown
224
Months covered
9

Based on 228 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.