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(UA) United Airlines 3638 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MCI) Kansas City International Airport

Kansas City, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
79%
Late
2
11%
Very Late
0
0%
Excessive
2
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
4
Codeshares
19
Average Delay (min.)
38.25
Standard Deviation
21.1
Min
0
Max
60

UA 3638 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 79%
Average Delay Time 38.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 58% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. 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
2.3 of 5
Average
Average Delay Time 38.25 min
This flight has an average delay of 38.25 minutes with a standard deviation of 21.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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