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(UA) United Airlines 4309 On-Time Performance Rating

Date Range:

15-Mar-2024 to 15-May-2024

(IAD) Washington Dulles International Airport

Dulles, VA, US

(ROA) Roanoke-Blacksburg Regional Airport

Roanoke, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
82%
Late
1
4%
Very Late
1
4%
Excessive
1
4%
Cancelled
1
4%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
6
Codeshares
27
Average Delay (min.)
19.166666666666668
Standard Deviation
16.3
Min
0
Max
45

UA 4309 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 85%
Average Delay Time 19.166666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 79% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
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 88% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 19.166666666666668 min
This flight has an average delay of 19.166666666666668 minutes with a standard deviation of 16.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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