Skip to content
WanderNerd

Flight Reliability

UA 5527 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5527 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

70%
Arrive within 15 minutes
22 min
Average arrival delay
3.8%
Cancelled
0 min
Median arrival delay

Based on 133 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(19 flights)
  • Tue88%(17 flights)
  • Wed65%(20 flights)
  • Thu79%(19 flights)
  • Fri65%(20 flights)
  • Sat69%(13 flights)
  • Sun55%(20 flights)
On-time by departure window
  • 6–9 AM80%(49 flights)
  • 12–3 PM65%(78 flights)
  • 3–6 PM(1 flights)
On-time trend by month
60%
Feb

Jun 63% → Feb 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%30
July 202561%31
August 202584%25
September 202586%21
February 202660%15
Departures on time
76%
Diverted
0%
Flights flown
128
Months covered
7

Based on 133 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.