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(OS) Austrian 661 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(VIE) Vienna International Airport

Vienna, AT

(WAW) Warsaw Chopin Airport

Warsaw, PL

On-Time Performance Chart

(using rounded numbers)
On-Time
42
98%
Late
0
0%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
6.363636363636363
Standard Deviation
4.2
Min
0
Max
13

OS 661 On-Time Performance Details

Overall Rating
4.9 of 5
Very Good
Percentage On-Time 100%
Average Delay Time 6.363636363636363 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.9 shows that this flight has on-time performance characteristics better than 97% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 100%
This flight has an on-time performance of 100%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 6.363636363636363 min
This flight has an average delay of 6.363636363636363 minutes with a standard deviation of 4.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.