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(UA) United Airlines 5397 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MSO) Missoula Montana Airport

Missoula, MT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
75%
Late
4
14%
Very Late
2
7%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
13
Codeshares
28
Average Delay (min.)
22.692307692307693
Standard Deviation
28.6
Min
0
Max
107

UA 5397 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 75%
Average Delay Time 22.692307692307693 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 63% of all other flights in the FlightStats database.
On-Time Performance Rating
2.5 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 50% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 22.692307692307693 min
This flight has an average delay of 22.692307692307693 minutes with a standard deviation of 28.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

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