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(UA) United Airlines 4638 On-Time Performance Rating

Date Range:

01-Jun-2025 to 31-Jul-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(COS) Colorado Springs Airport

Colorado Springs, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
29
49%
Late
7
12%
Very Late
5
8%
Excessive
17
29%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
33
Codeshares
59
Average Delay (min.)
66.51515151515152
Standard Deviation
62.3
Min
0
Max
258

UA 4638 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 49%
Average Delay Time 66.51515151515152 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 49%
This flight has an on-time performance of 49%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 66.51515151515152 min
This flight has an average delay of 66.51515151515152 minutes with a standard deviation of 62.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.