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(UA) United Airlines 310 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(DUB) Dublin Airport

Dublin, IE

On-Time Performance Chart

(using rounded numbers)
On-Time
42
69%
Late
4
7%
Very Late
5
8%
Excessive
9
15%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
26
Codeshares
0
Average Delay (min.)
50.19230769230769
Standard Deviation
56.4
Min
0
Max
197

UA 310 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 70%
Average Delay Time 50.19230769230769 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 50.19230769230769 min
This flight has an average delay of 50.19230769230769 minutes with a standard deviation of 56.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.