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(UA) United Airlines 4957 On-Time Performance Rating

Date Range:

15-Mar-2020 to 15-May-2020

(IAD) Washington Dulles International Airport

Dulles, VA, US

(PWM) Portland International Jetport

Portland, ME, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
71%
Late
0
0%
Very Late
1
7%
Excessive
1
7%
Cancelled
2
14%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
14
Total Delays ( > 1 min )
5
Codeshares
14
Average Delay (min.)
29
Standard Deviation
36.7
Min
4
Max
91

UA 4957 On-Time Performance Details

Overall Rating
3.1 of 5
Average
Percentage On-Time 71%
Average Delay Time 29 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1 shows that this flight has on-time performance characteristics better than 60% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 29 min
This flight has an average delay of 29 minutes with a standard deviation of 36.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.