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(ET) Ethiopian Airlines 637 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(TFU) Chengdu Tianfu International Airport

Chengdu, CN

(ADD) Addis Ababa Bole International Airport

Addis Ababa, ET

On-Time Performance Chart

(using rounded numbers)
On-Time
26
74%
Late
6
17%
Very Late
2
6%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
21
Codeshares
0
Average Delay (min.)
15.761904761904763
Standard Deviation
13.5
Min
0
Max
59

ET 637 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 74%
Average Delay Time 15.761904761904763 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 56% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 15.761904761904763 min
This flight has an average delay of 15.761904761904763 minutes with a standard deviation of 13.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.