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(UA) United Airlines 5631 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(MCI) Kansas City International Airport

Kansas City, MO, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
83%
Late
1
6%
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
18
Total Delays ( > 1 min )
5
Codeshares
18
Average Delay (min.)
50.2
Standard Deviation
67.9
Min
0
Max
168

UA 5631 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 83%
Average Delay Time 50.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 50.2 min
This flight has an average delay of 50.2 minutes with a standard deviation of 67.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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