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(ET) Ethiopian Airlines 1391 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(PHL) Philadelphia International Airport

Philadelphia, PA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
88%
Late
0
0%
Very Late
1
6%
Excessive
1
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
3
Codeshares
17
Average Delay (min.)
31
Standard Deviation
27.6
Min
0
Max
57

ET 1391 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 88%
Average Delay Time 31 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 64% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% 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 27.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.