background

(FR) Ryanair 4166 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(LIS) Lisbon Humberto Delgado Airport

Lisbon, PT

(VIE) Vienna International Airport

Vienna, AT

On-Time Performance Chart

(using rounded numbers)
On-Time
33
54%
Late
10
16%
Very Late
4
7%
Excessive
14
23%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
42
Codeshares
43
Average Delay (min.)
37.61904761904762
Standard Deviation
41.2
Min
0
Max
198

FR 4166 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 54%
Average Delay Time 37.61904761904762 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 18% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 54%
This flight has an on-time performance of 54%. 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
1.9 of 5
Average
Average Delay Time 37.61904761904762 min
This flight has an average delay of 37.61904761904762 minutes with a standard deviation of 41.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.