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(UA) United Airlines 918 On-time Performance Rating

Date Range:

01-Oct-2019 to 30-Nov-2019

(IAD) Washington Dulles International Airport

Dulles, VA, US

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
57
89%
Late
3
5%
Very Late
1
2%
Excessive
2
3%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
63
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
20
Standard Deviation
30.3
Min
2
Max
117

UA 918 On-time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 90%
Average Delay Time 20 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 83% of all other flights in the FlightStats database.
On-time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 20 min
This flight has an average delay of 20 minutes with a standard deviation of 30.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.