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(UA) United Airlines 477 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(ANC) Ted Stevens Anchorage International Airport

Anchorage, AK, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
87%
Late
1
3%
Very Late
1
3%
Excessive
3
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
45.81818181818182
Standard Deviation
89.4
Min
0
Max
309

UA 477 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 87%
Average Delay Time 45.81818181818182 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 57% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 45.81818181818182 min
This flight has an average delay of 45.81818181818182 minutes with a standard deviation of 89.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

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