background

(UA) United Airlines 4040 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(RIC) Richmond International Airport

Richmond, VA, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
6
43%
Late
3
21%
Very Late
2
14%
Excessive
3
21%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
14
Total Delays ( > 1 min )
10
Codeshares
14
Average Delay (min.)
31.3
Standard Deviation
18.5
Min
0
Max
57

UA 4040 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 43%
Average Delay Time 31.3 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 26% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 43%
This flight has an on-time performance of 43%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 31.3 min
This flight has an average delay of 31.3 minutes with a standard deviation of 18.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

Other Stops for UA 4040