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(ET) Ethiopian Airlines 501 On-Time Performance Rating

Date Range:

01-May-2020 to 30-Jun-2020

(IAD) Washington Dulles International Airport

Dulles, VA, US

(ADD) Addis Ababa Bole International Airport

Addis Ababa, ET

On-Time Performance Chart

(using rounded numbers)
On-Time
21
53%
Late
13
33%
Very Late
2
5%
Excessive
4
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
40
Total Delays ( > 1 min )
32
Codeshares
0
Average Delay (min.)
31
Standard Deviation
49.5
Min
0
Max
226

ET 501 On-Time Performance Details

Overall Rating
1.2 of 5
Poor
Percentage On-Time 53%
Average Delay Time 31 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.2 shows that this flight has on-time performance characteristics better than 22% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 53%
This flight has an on-time performance of 53%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 31 min
This flight has an average delay of 31 minutes with a standard deviation of 49.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.