(UA) United Airlines 5566 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(ATW) Appleton International Airport

Appleton, WI, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

57%

Late

14%

Very Late

Excessive

29%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

Standard Deviation

64.1

Min

Max

150

UA 5566 On-Time Performance Details

Overall Rating

0.6 of 5

Poor

Percentage On-Time 57%

Average Delay Time 63 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.

On-Time Performance Rating

0.5 of 5

Very Poor

Percentage On-Time 57%

This flight has an on-time performance of 57%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.

Delay Performance

0.7 of 5

Poor

Average Delay Time 63 min

This flight has an average delay of 63 minutes with a standard deviation of 64.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.