background

(UA) United Airlines 4001 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(MAF) Midland International Air and Space Port

Midland, TX, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
88%
Late
0
0%
Very Late
0
0%
Excessive
3
12%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
8
Codeshares
25
Average Delay (min.)
28.875
Standard Deviation
33.7
Min
0
Max
95

UA 4001 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 88%
Average Delay Time 28.875 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 88%
This flight has an on-time performance of 88%. 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 28.875 min
This flight has an average delay of 28.875 minutes with a standard deviation of 33.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.