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(UA) United Airlines 918 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
39
63%
Late
8
13%
Very Late
1
2%
Excessive
9
15%
Cancelled
3
5%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
42
Codeshares
0
Average Delay (min.)
36.76190476190476
Standard Deviation
66.5
Min
0
Max
320

UA 918 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 65%
Average Delay Time 36.76190476190476 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 20% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 36.76190476190476 min
This flight has an average delay of 36.76190476190476 minutes with a standard deviation of 66.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.