Flight OddsDL429 SEA → JFK
Delta Air Lines · Seattle, WA to New York, NY · 365 flights observed, 2025-07-01 to 2026-06-30 · 2,422 mi
On-time arrival
88%
Median delay
-10 min
90th percentile
+20 min
Cancellation rate
3%
How often is DL429 on time?
Across 365 flights on SEA → JFK from 2025-07-01 to 2026-06-30, DL429 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +20 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 304 | 88% |
| 16-30 min | 18 | 5% |
| 31-60 min | 9 | 3% |
| 61-120 min | 4 | 1% |
| 2+ hrs | 11 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 90% | -5 min |
| 2025-08 | 30 | 87% | -5 min |
| 2025-09 | 29 | 97% | -9 min |
| 2025-10 | 30 | 90% | -8 min |
| 2025-11 | 29 | 79% | +1 min |
| 2025-12 | 28 | 89% | +10 min |
| 2026-01 | 29 | 72% | +11 min |
| 2026-02 | 25 | 88% | -4 min |
| 2026-03 | 28 | 89% | +2 min |
| 2026-04 | 29 | 90% | +17 min |
| 2026-05 | 29 | 86% | +39 min |
| 2026-06 | 30 | 97% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 86% |
| Tue | 52 | 87% |
| Wed | 51 | 94% |
| Thu | 50 | 90% |
| Fri | 49 | 86% |
| Sat | 45 | 89% |
| Sun | 49 | 84% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…