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(UA) United Airlines 538 On-time Performance Rating

Date Range:

01-Feb-2018 to 31-Mar-2018

(SNA) John Wayne AirportSanta Ana, CA, US
(SFO) San Francisco International AirportSan Francisco, CA, US
On-Time Performance Chart
(using rounded numbers)
On-Time
41
73%
Late
6
11%
Very Late
1
2%
Excessive
8
14%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
19
Codeshares
0
Average Delay (min.)
51
Standard Deviation
46
Min
0
Max
137
UA 538 On-time Performance Details
Overall Rating
0.8 of 5
Poor
Percentage On-Time 73%
Average Delay Time 51 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 15% of all other flights in the FlightStats database.
On-time Performance Rating
1.5 of 5
Poor
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 51 min
This flight has an average delay of 51 minutes with a standard deviation of 46 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.