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(UA) United Airlines 1398 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(COS) Colorado Springs Airport

Colorado Springs, CO, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
79%
Late
1
2%
Very Late
1
2%
Excessive
5
12%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
69.22222222222223
Standard Deviation
76.8
Min
0
Max
256

UA 1398 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 81%
Average Delay Time 69.22222222222223 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 36% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 81%
This flight has an on-time performance of 81%. 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
0.1 of 5
Very Poor
Average Delay Time 69.22222222222223 min
This flight has an average delay of 69.22222222222223 minutes with a standard deviation of 76.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.

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