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(UA) United Airlines 4458 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-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
18
75%
Late
3
13%
Very Late
0
0%
Excessive
2
8%
Cancelled
0
0%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
6
Codeshares
23
Average Delay (min.)
37.166666666666664
Standard Deviation
34.7
Min
0
Max
93

UA 4458 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 78%
Average Delay Time 37.166666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 62% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 37.166666666666664 min
This flight has an average delay of 37.166666666666664 minutes with a standard deviation of 34.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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