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(UA) United Airlines 4056 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(TUS) Tucson International Airport

Tucson, AZ, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
32
94%
Late
0
0%
Very Late
0
0%
Excessive
2
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
6
Codeshares
34
Average Delay (min.)
22.5
Standard Deviation
30.1
Min
0
Max
74

UA 4056 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 94%
Average Delay Time 22.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 85% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 94%
This flight has an on-time performance of 94%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 22.5 min
This flight has an average delay of 22.5 minutes with a standard deviation of 30.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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