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(UA) United Airlines 4311 On-Time Performance Rating

Date Range:

15-Mar-2024 to 15-May-2024

(ROA) Roanoke-Blacksburg Regional Airport

Roanoke, VA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
85%
Late
1
4%
Very Late
0
0%
Excessive
2
7%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
5
Codeshares
27
Average Delay (min.)
58.2
Standard Deviation
71.8
Min
0
Max
173

UA 4311 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 85%
Average Delay Time 58.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% 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
0.8 of 5
Poor
Average Delay Time 58.2 min
This flight has an average delay of 58.2 minutes with a standard deviation of 71.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.

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