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(UA) United Airlines 877 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(HKG) Hong Kong International Airport

Hong Kong, HK

On-Time Performance Chart

(using rounded numbers)
On-Time
53
88%
Late
1
2%
Very Late
1
2%
Excessive
1
2%
Cancelled
4
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
34.25
Standard Deviation
25.5
Min
0
Max
68

UA 877 On-Time Performance Details

Overall Rating
3.7 of 5
Good
Percentage On-Time 88%
Average Delay Time 34.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.7 shows that this flight has on-time performance characteristics better than 72% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very 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 99% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 34.25 min
This flight has an average delay of 34.25 minutes with a standard deviation of 25.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.