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(UA) United Airlines 477 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(CHS) Charleston International Airport

Charleston, SC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
7
88%
Late
0
0%
Very Late
0
0%
Excessive
1
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
8
Total Delays ( > 1 min )
2
Codeshares
0
Average Delay (min.)
61.5
Standard Deviation
78.5
Min
0
Max
117

UA 477 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 88%
Average Delay Time 61.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 54% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 61.5 min
This flight has an average delay of 61.5 minutes with a standard deviation of 78.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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