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(UA) United Airlines 4581 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(HSV) Huntsville International Airport

Huntsville, AL, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
83%
Late
0
0%
Very Late
1
17%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
6
Total Delays ( > 1 min )
1
Codeshares
6
Average Delay (min.)
32
Standard Deviation
0
Min
0
Max
32

UA 4581 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 83%
Average Delay Time 32 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 62% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. 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
2.7 of 5
Average
Average Delay Time 32 min
This flight has an average delay of 32 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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