background

(OS) Austrian 7855 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(LHR) London Heathrow Airport

London, EN, GB

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
53
88%
Late
2
3%
Very Late
1
2%
Excessive
2
3%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
11
Codeshares
59
Average Delay (min.)
29.727272727272727
Standard Deviation
44.9
Min
0
Max
150

OS 7855 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 90%
Average Delay Time 29.727272727272727 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
4.9 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 29.727272727272727 min
This flight has an average delay of 29.727272727272727 minutes with a standard deviation of 44.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.