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(UA) United Airlines 291 On-time Performance Rating

Date Range:

15-Jul-2018 to 15-Sep-2018

(SFO) San Francisco International Airport

San Francisco, CA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
69%
Late
9
15%
Very Late
4
6%
Excessive
6
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
62
Total Delays ( > 1 min )
40
Codeshares
0
Average Delay (min.)
29
Standard Deviation
52.3
Min
0
Max
308

UA 291 On-time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 69%
Average Delay Time 29 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 44% of all other flights in the FlightStats database.
On-time Performance Rating
1.2 of 5
Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. 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
3.3 of 5
Average
Average Delay Time 29 min
This flight has an average delay of 29 minutes with a standard deviation of 52.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.