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(UA) United Airlines 231 On-time Performance Rating

Date Range:

15-Jul-2018 to 15-Sep-2018

(IAD) Washington Dulles International Airport

Dulles, VA, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
56
86%
Late
4
6%
Very Late
1
2%
Excessive
3
5%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
64
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
66
Standard Deviation
123.2
Min
0
Max
416

UA 231 On-time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 88%
Average Delay Time 66 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 50% 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 100% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 66 min
This flight has an average delay of 66 minutes with a standard deviation of 123.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.