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(TWB) T'way Air 509 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(TAE) Daegu International Airport

Daegu, KR

(KIX) Kansai International Airport

Osaka, JP

On-Time Performance Chart

(using rounded numbers)
On-Time
50
82%
Late
10
16%
Very Late
0
0%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
29
Codeshares
0
Average Delay (min.)
12.551724137931034
Standard Deviation
11.1
Min
0
Max
51

TWB 509 On-Time Performance Details

Overall Rating
4.8 of 5
Very Good
Percentage On-Time 82%
Average Delay Time 12.551724137931034 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.8 shows that this flight has on-time performance characteristics better than 95% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 12.551724137931034 min
This flight has an average delay of 12.551724137931034 minutes with a standard deviation of 11.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 98% of other flights.

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