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(UA) United Airlines 837 On-time Performance Rating

Date Range:

15-Dec-2018 to 15-Feb-2019

(SFO) San Francisco International Airport

San Francisco, CA, US

(NRT) Narita International Airport

Tokyo, JP

On-Time Performance Chart

(using rounded numbers)
On-Time
37
59%
Late
12
19%
Very Late
6
10%
Excessive
8
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
63
Total Delays ( > 1 min )
38
Codeshares
0
Average Delay (min.)
35
Standard Deviation
55.1
Min
1
Max
336

UA 837 On-time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 59%
Average Delay Time 35 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 10% of all other flights in the FlightStats database.
On-time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 59%
This flight has an on-time performance of 59%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 35 min
This flight has an average delay of 35 minutes with a standard deviation of 55.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.