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(FR) Ryanair 4138 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(DUB) Dublin Airport

Dublin, IE

(BOJ) Burgas Airport

Burgas, BG

On-Time Performance Chart

(using rounded numbers)
On-Time
32
91%
Late
1
3%
Very Late
1
3%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
22.46153846153846
Standard Deviation
44.2
Min
0
Max
165

FR 4138 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 91%
Average Delay Time 22.46153846153846 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 22.46153846153846 min
This flight has an average delay of 22.46153846153846 minutes with a standard deviation of 44.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.