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(UA) United Airlines 5638 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(CLE) Cleveland Hopkins International Airport

Cleveland, OH, US

On-Time Performance Chart

(using rounded numbers)
On-Time
33
72%
Late
3
7%
Very Late
2
4%
Excessive
6
13%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
45
Total Delays ( > 1 min )
20
Codeshares
45
Average Delay (min.)
54.85
Standard Deviation
92.1
Min
0
Max
397

UA 5638 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 73%
Average Delay Time 54.85 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
3.1 of 5
Average
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 54.85 min
This flight has an average delay of 54.85 minutes with a standard deviation of 92.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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