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(UA) United Airlines 477 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
57
90%
Late
1
2%
Very Late
0
0%
Excessive
2
3%
Cancelled
0
0%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
14.538461538461538
Standard Deviation
18.6
Min
0
Max
62

UA 477 On-Time Performance Details

Overall Rating
4.8 of 5
Very Good
Percentage On-Time 95%
Average Delay Time 14.538461538461538 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.8 shows that this flight has on-time performance characteristics better than 94% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 95%
This flight has an on-time performance of 95%. 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
4.5 of 5
Good
Average Delay Time 14.538461538461538 min
This flight has an average delay of 14.538461538461538 minutes with a standard deviation of 18.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.

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