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(S4) Azores Airlines 151 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(LIS) Lisbon Humberto Delgado Airport

Lisbon, PT

(HOR) Horta Airport

Horta (Azores), PT

On-Time Performance Chart

(using rounded numbers)
On-Time
7
21%
Late
8
24%
Very Late
6
18%
Excessive
11
33%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
28
Codeshares
0
Average Delay (min.)
39.642857142857146
Standard Deviation
37.7
Min
0
Max
215

S4 151 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 21%
Average Delay Time 39.642857142857146 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 21%
This flight has an on-time performance of 21%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 39.642857142857146 min
This flight has an average delay of 39.642857142857146 minutes with a standard deviation of 37.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.