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(OS) Austrian 721 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(VIE) Vienna International Airport

Vienna, AT

(BEG) Belgrade Nikola Tesla Airport

Belgrade, RS

On-Time Performance Chart

(using rounded numbers)
On-Time
45
76%
Late
5
8%
Very Late
1
2%
Excessive
6
10%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
29
Codeshares
12
Average Delay (min.)
23.448275862068964
Standard Deviation
29
Min
0
Max
98

OS 721 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 79%
Average Delay Time 23.448275862068964 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 83% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 23.448275862068964 min
This flight has an average delay of 23.448275862068964 minutes with a standard deviation of 29 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.