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(UA) United Airlines 277 On-Time Performance Rating

Date Range:

15-Jan-2023 to 15-Mar-2023

(IAD) Washington Dulles International Airport

Dulles, VA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
51
85%
Late
7
12%
Very Late
1
2%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
14
Standard Deviation
11.7
Min
0
Max
46

UA 277 On-Time Performance Details

Overall Rating
4.7 of 5
Very Good
Percentage On-Time 85%
Average Delay Time 14 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.7 shows that this flight has on-time performance characteristics better than 92% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 14 min
This flight has an average delay of 14 minutes with a standard deviation of 11.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.