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(ET) Ethiopian Airlines 1356 On-time Performance Rating

Date Range:

01-Oct-2018 to 30-Nov-2018

(IAD) Washington Dulles International Airport

Dulles, VA, US

(BOS) Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
56
88%
Late
2
3%
Very Late
0
0%
Excessive
5
8%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
63
Total Delays ( > 1 min )
14
Codeshares
63
Average Delay (min.)
43
Standard Deviation
53.4
Min
0
Max
153

ET 1356 On-time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 89%
Average Delay Time 43 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% of all other flights in the FlightStats database.
On-time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. 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
0.3 of 5
Very Poor
Average Delay Time 43 min
This flight has an average delay of 43 minutes with a standard deviation of 53.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.