background

(OS) Austrian 635 On-Time Performance Rating

Date Range:

01-Jun-2025 to 31-Jul-2025

(VIE) Vienna International Airport

Vienna, AT

(VNO) Vilnius International Airport

Vilnius, LT

On-Time Performance Chart

(using rounded numbers)
On-Time
25
71%
Late
5
14%
Very Late
3
9%
Excessive
2
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
28
Codeshares
0
Average Delay (min.)
15.321428571428571
Standard Deviation
15.9
Min
0
Max
63

OS 635 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 71%
Average Delay Time 15.321428571428571 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 15.321428571428571 min
This flight has an average delay of 15.321428571428571 minutes with a standard deviation of 15.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 98% of other flights.