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(UA) United Airlines 918 On-time Performance Rating

Date Range:

15-Jul-2018 to 15-Sep-2018

(IAD) Washington Dulles International Airport

Dulles, VA, US

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
47
72%
Late
3
5%
Very Late
2
3%
Excessive
12
18%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
64
Total Delays ( > 1 min )
30
Codeshares
0
Average Delay (min.)
44
Standard Deviation
45.7
Min
0
Max
150

UA 918 On-time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 73%
Average Delay Time 44 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 32% of all other flights in the FlightStats database.
On-time Performance Rating
2.7 of 5
Average
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 44 min
This flight has an average delay of 44 minutes with a standard deviation of 45.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.