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(OZ) Asiana Airlines 9404 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(LHR) London Heathrow Airport

London, EN, GB

(VIE) Vienna International Airport

Vienna, AT

On-Time Performance Chart

(using rounded numbers)
On-Time
37
62%
Late
13
22%
Very Late
6
10%
Excessive
4
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
40
Codeshares
60
Average Delay (min.)
22
Standard Deviation
21.5
Min
0
Max
97

OZ 9404 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 62%
Average Delay Time 22 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 43% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 62%
This flight has an on-time performance of 62%. 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
4.4 of 5
Good
Average Delay Time 22 min
This flight has an average delay of 22 minutes with a standard deviation of 21.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.