Flight OddsDL324 BOS → SEA
Delta Air Lines · Boston, MA to Seattle, WA · 363 flights observed, 2025-07-01 to 2026-06-30 · 2,496 mi
On-time arrival
65%
Median delay
+4 min
90th percentile
+60 min
Cancellation rate
2%
How often is DL324 on time?
Across 363 flights on BOS → SEA from 2025-07-01 to 2026-06-30, DL324 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +60 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 232 | 65% |
| 16-30 min | 52 | 15% |
| 31-60 min | 36 | 10% |
| 61-120 min | 18 | 5% |
| 2+ hrs | 17 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 55% | +33 min |
| 2025-08 | 31 | 87% | -11 min |
| 2025-09 | 30 | 80% | +16 min |
| 2025-10 | 31 | 71% | +3 min |
| 2025-11 | 28 | 68% | +11 min |
| 2025-12 | 30 | 30% | +38 min |
| 2026-01 | 29 | 69% | +8 min |
| 2026-02 | 27 | 74% | +35 min |
| 2026-03 | 31 | 35% | +29 min |
| 2026-04 | 29 | 72% | +8 min |
| 2026-05 | 30 | 73% | +4 min |
| 2026-06 | 30 | 70% | +25 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 69% |
| Tue | 53 | 62% |
| Wed | 51 | 63% |
| Thu | 51 | 65% |
| Fri | 50 | 70% |
| Sat | 51 | 69% |
| Sun | 48 | 60% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…