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(S4) Azores Airlines 8256 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(LIS) Lisbon Humberto Delgado Airport

Lisbon, PT

(OPO) Porto Airport

Porto, PT

On-Time Performance Chart

(using rounded numbers)
On-Time
39
63%
Late
9
15%
Very Late
6
10%
Excessive
7
11%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
46
Codeshares
61
Average Delay (min.)
23.434782608695652
Standard Deviation
24.2
Min
0
Max
114

S4 8256 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 64%
Average Delay Time 23.434782608695652 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 50% of all other flights in the FlightStats database.
On-Time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 8% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 23.434782608695652 min
This flight has an average delay of 23.434782608695652 minutes with a standard deviation of 24.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 95% of other flights.