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(UA) United Airlines 5631 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(DAY) James M Cox Dayton International Airport

Dayton, OH, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
63%
Late
2
13%
Very Late
0
0%
Excessive
4
25%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
16
Total Delays ( > 1 min )
12
Codeshares
16
Average Delay (min.)
28.333333333333332
Standard Deviation
26.7
Min
0
Max
86

UA 5631 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 63%
Average Delay Time 28.333333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 28.333333333333332 min
This flight has an average delay of 28.333333333333332 minutes with a standard deviation of 26.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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