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(UA) United Airlines 123 On-time Performance Rating

Date Range:

15-Aug-2018 to 15-Oct-2018

(LHR) London Heathrow Airport

London, EN, GB

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
42
68%
Late
6
10%
Very Late
6
10%
Excessive
8
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
62
Total Delays ( > 1 min )
30
Codeshares
0
Average Delay (min.)
29
Standard Deviation
26.4
Min
0
Max
130

UA 123 On-time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 68%
Average Delay Time 29 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 68%
This flight has an on-time performance of 68%. 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 29 min
This flight has an average delay of 29 minutes with a standard deviation of 26.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.