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(UA) United Airlines 838 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(NRT) Tokyo Narita International Airport

Tokyo, JP

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
46
74%
Late
8
13%
Very Late
3
5%
Excessive
4
6%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
29
Codeshares
0
Average Delay (min.)
34.37931034482759
Standard Deviation
84.8
Min
0
Max
469

UA 838 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 75%
Average Delay Time 34.37931034482759 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 28% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 34.37931034482759 min
This flight has an average delay of 34.37931034482759 minutes with a standard deviation of 84.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.