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(UA) United Airlines 4256 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(BHM) Birmingham-Shuttlesworth International Airport

Birmingham, AL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
71%
Late
1
4%
Very Late
1
4%
Excessive
4
17%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
8
Codeshares
24
Average Delay (min.)
69.75
Standard Deviation
60
Min
0
Max
147

UA 4256 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 71%
Average Delay Time 69.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. 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
0.1 of 5
Very Poor
Average Delay Time 69.75 min
This flight has an average delay of 69.75 minutes with a standard deviation of 60 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

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