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(UA) United Airlines 4977 On-Time Performance Rating

Date Range:

15-Nov-2020 to 15-Jan-2021

(IAD) Washington Dulles International Airport

Dulles, VA, US

(JAX) Jacksonville International Airport

Jacksonville, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
36
78%
Late
4
9%
Very Late
2
4%
Excessive
3
7%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
45
Total Delays ( > 1 min )
14
Codeshares
45
Average Delay (min.)
39
Standard Deviation
51.2
Min
0
Max
178

UA 4977 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 80%
Average Delay Time 39 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 18% of all other flights in the FlightStats database.
On-Time Performance Rating
1.1 of 5
Poor
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 39 min
This flight has an average delay of 39 minutes with a standard deviation of 51.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.