background

(OZ) Asiana Airlines 9311 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(NBO) Nairobi Jomo Kenyatta International Airport

Nairobi, KE

(ADD) Addis Ababa Bole International Airport

Addis Ababa, ET

On-Time Performance Chart

(using rounded numbers)
On-Time
22
46%
Late
16
33%
Very Late
8
17%
Excessive
2
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
48
Total Delays ( > 1 min )
41
Codeshares
48
Average Delay (min.)
21.29268292682927
Standard Deviation
14.5
Min
0
Max
66

OZ 9311 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 46%
Average Delay Time 21.29268292682927 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 42% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 46%
This flight has an on-time performance of 46%. 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
4.3 of 5
Good
Average Delay Time 21.29268292682927 min
This flight has an average delay of 21.29268292682927 minutes with a standard deviation of 14.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.