background

(UA) United Airlines 4008 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(BHM) Birmingham-Shuttlesworth International Airport

Birmingham, AL, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
35
74%
Late
7
15%
Very Late
1
2%
Excessive
4
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
47
Total Delays ( > 1 min )
17
Codeshares
47
Average Delay (min.)
33.470588235294116
Standard Deviation
30.4
Min
0
Max
104

UA 4008 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 75%
Average Delay Time 33.470588235294116 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 32% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 33.470588235294116 min
This flight has an average delay of 33.470588235294116 minutes with a standard deviation of 30.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

Other Stops for UA 4008