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(UA) United Airlines 4581 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(BTR) Baton Rouge Metropolitan Airport

Baton Rouge, LA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
89%
Late
1
5%
Very Late
1
5%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
3
Codeshares
19
Average Delay (min.)
23
Standard Deviation
18.1
Min
0
Max
40

UA 4581 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 90%
Average Delay Time 23 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 23 min
This flight has an average delay of 23 minutes with a standard deviation of 18.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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