Air Seoul On-Time Performance RS
On-time departure and arrival rates compiled from operational records, covering every flight operated to and from Japan. Switch the period with the tabs below.
Cancellation: 0% / Avg delay when late: 57min
Last 28 days ・ 60 flights
Daily · Last 30 days
| On-time departure | Avg delay when late | n | ||
|---|---|---|---|---|
| 2026-07-24 (Provisional) | 75% | +33min | n=20 | |
| 2026-07-23 (Provisional) | 87.5% | +21min | n=16 | |
| 2026-07-22 | 50% | +72min | n=18 | |
Avg delay when late counts only flights that departed more than 15 minutes behind schedule
Weekly · Last 12 weeks (from Monday)
| On-time departure | Avg delay when late | n | ||
|---|---|---|---|---|
| Week of 2026-07-20 (Provisional) | 70.4% | +54min | n=54 | |
Avg delay when late counts only flights that departed more than 15 minutes behind schedule
Monthly · Last 12 months
| On-time departure | Avg delay when late | n | ||
|---|---|---|---|---|
| 2026-07 (Provisional) | 65% | +57min | n=60 | |
Avg delay when late counts only flights that departed more than 15 minutes behind schedule
“Provisional” values are preliminary. The last 2 days are still being corrected, so they may change slightly.
By route
Not enough samples yet for a route breakdown.
Domestic / International
| On-time departure | Avg delay when late | n | ||
|---|---|---|---|---|
| International | 65% | +57min | n=60 | |
Avg delay when late counts only flights that departed more than 15 minutes behind schedule
By aircraft type
| On-time departure | Avg delay when late | n | ||
|---|---|---|---|---|
| A321 | 65% | +57min | n=60 | |
Avg delay when late counts only flights that departed more than 15 minutes behind schedule
By departure time
| On-time departure | Avg delay when late | n | ||
|---|---|---|---|---|
| 6:00-9:00 | 77.8% | +28min | n=9 | |
| 9:00-12:00 | 64.7% | +54min | n=17 | |
| 12:00-15:00 | 66.7% | +79min | n=9 | |
| 15:00-18:00 | 73.3% | +61min | n=15 | |
| 18:00-21:00 | 33.3% | +56min | n=9 | |
| 21:00-24:00 | — | Collecting data | — | n=1 |
Avg delay when late counts only flights that departed more than 15 minutes behind schedule / Faded rows are indicative (n<10); below n=5 no rate is shown
By day of week Last 24 months
Days with n<5 are indicative. The last 2 days are pending confirmation and not yet included
Updated: / Last 28 days
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