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(UA) United Airlines 4228 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(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
30
57%
Late
6
11%
Very Late
1
2%
Excessive
13
25%
Cancelled
3
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
26
Codeshares
53
Average Delay (min.)
72.5
Standard Deviation
81.2
Min
0
Max
286

UA 4228 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 57%
Average Delay Time 72.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 57%
This flight has an on-time performance of 57%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 72.5 min
This flight has an average delay of 72.5 minutes with a standard deviation of 81.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.