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(UA) United Airlines 6139 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(MKE) Milwaukee Mitchell International Airport

Milwaukee, WI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
93%
Late
0
0%
Very Late
0
0%
Excessive
1
4%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
3
Codeshares
28
Average Delay (min.)
27
Standard Deviation
32.4
Min
0
Max
64

UA 6139 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 93%
Average Delay Time 27 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 93%
This flight has an on-time performance of 93%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 27 min
This flight has an average delay of 27 minutes with a standard deviation of 32.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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