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WanderNerd

Flight Reliability

UA 5627 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5627 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

79%
Arrive within 15 minutes
5 min
Average arrival delay
1.2%
Cancelled
8 min early
Median arrival delay

Based on 323 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(45 flights)
  • Tue77%(48 flights)
  • Wed76%(46 flights)
  • Thu78%(45 flights)
  • Fri82%(45 flights)
  • Sat77%(44 flights)
  • Sun81%(43 flights)
On-time by departure window
  • 6–9 AM88%(143 flights)
  • 12–3 PM(5 flights)
  • 3–6 PM71%(113 flights)
  • 6–9 PM63%(40 flights)
  • 9 PM–12 AM93%(15 flights)
On-time trend by month
90%
May

Jun 80% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202587%31
August 202594%31
September 2025100%24
October 202552%31
November 202569%26
December 202567%30
February 202667%15
March 202683%30
April 202680%30
May 202690%29
Departures on time
84%
Diverted
0.9%
Flights flown
316
Months covered
12

Based on 323 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.