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(UA) United Airlines 5638 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(OMA) Omaha Eppley Airfield

Omaha, NE, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
71%
Late
0
0%
Very Late
0
0%
Excessive
2
29%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
7
Total Delays ( > 1 min )
4
Codeshares
7
Average Delay (min.)
99.5
Standard Deviation
144.3
Min
0
Max
311

UA 5638 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 71%
Average Delay Time 99.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 99.5 min
This flight has an average delay of 99.5 minutes with a standard deviation of 144.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.

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