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(UA) United Airlines 257 On-time Performance Rating

Date Range:

15-May-2018 to 15-Jul-2018

(SFO) San Francisco International AirportSan Francisco, CA, US
(LAX) Los Angeles International AirportLos Angeles, CA, US
On-Time Performance Chart
(using rounded numbers)
On-Time
30
83%
Late
2
6%
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
36
Total Delays ( > 1 min )
17
Codeshares
0
Average Delay (min.)
33
Standard Deviation
53.8
Min
2
Max
196
UA 257 On-time Performance Details
Overall Rating
3.3 of 5
Average
Percentage On-Time 83%
Average Delay Time 33 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 66% of all other flights in the FlightStats database.
On-time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 33 min
This flight has an average delay of 33 minutes with a standard deviation of 53.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.