(UA) United Airlines 4456 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(ATW) Appleton International Airport

Appleton, WI, US

On-Time Performance Chart

(using rounded numbers)

On-Time

60%

Late

20%

Very Late

Excessive

20%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

33.666666666666664

Standard Deviation

40.5

Min

Max

UA 4456 On-Time Performance Details

Overall Rating

2.0 of 5

Average

Percentage On-Time 60%

Average Delay Time 33.666666666666664 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.

On-Time Performance Rating

1.2 of 5

Poor

Percentage On-Time 60%

This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.

Delay Performance

2.7 of 5

Average

Average Delay Time 33.666666666666664 min

This flight has an average delay of 33.666666666666664 minutes with a standard deviation of 40.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.