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(UA) United Airlines 310 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(DUB) Dublin Airport

Dublin, IE

On-Time Performance Chart

(using rounded numbers)
On-Time
46
96%
Late
0
0%
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
48
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
17.133333333333333
Standard Deviation
34.7
Min
0
Max
140

UA 310 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 96%
Average Delay Time 17.133333333333333 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 91% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 96%
This flight has an on-time performance of 96%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 17.133333333333333 min
This flight has an average delay of 17.133333333333333 minutes with a standard deviation of 34.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.