background

(S4) Azores Airlines 8451 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(OPO) Porto Airport

Porto, PT

(LIS) Lisbon Humberto Delgado Airport

Lisbon, PT

On-Time Performance Chart

(using rounded numbers)
On-Time
41
67%
Late
5
8%
Very Late
6
10%
Excessive
8
13%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
43
Codeshares
61
Average Delay (min.)
26.11627906976744
Standard Deviation
33.7
Min
0
Max
168

S4 8451 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 67%
Average Delay Time 26.11627906976744 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.
On-Time Performance Rating
1.1 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 26.11627906976744 min
This flight has an average delay of 26.11627906976744 minutes with a standard deviation of 33.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.