Flight OddsSFO → SEA Delta Air Lines
Delta Air Lines · San Francisco, CA to Seattle, WA · 1,746 flights, 2025-07-01 to 2026-06-30 · aggregated across 19 flight numbers
On-time arrival
78%
Median delay
-8 min
90th percentile
+46 min
Cancellation rate
1%
How on-time is Delta Air Lines from SFO to SEA?
Across every Delta Air Lines flight number on SFO → SEA (1,746 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +46 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,347 | 78% |
| 16-30 min | 140 | 8% |
| 31-60 min | 109 | 6% |
| 61-120 min | 84 | 5% |
| 2+ hrs | 40 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 152 | 83% | -1 min |
| 2025-08 | 153 | 84% | +5 min |
| 2025-09 | 143 | 84% | -5 min |
| 2025-10 | 153 | 75% | +5 min |
| 2025-11 | 138 | 83% | -5 min |
| 2025-12 | 138 | 79% | +4 min |
| 2026-01 | 126 | 81% | +4 min |
| 2026-02 | 126 | 87% | -4 min |
| 2026-03 | 141 | 87% | -5 min |
| 2026-04 | 146 | 69% | +12 min |
| 2026-05 | 154 | 66% | +12 min |
| 2026-06 | 150 | 67% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 254 | 78% |
| Tue | 251 | 80% |
| Wed | 241 | 80% |
| Thu | 248 | 73% |
| Fri | 244 | 78% |
| Sat | 231 | 85% |
| Sun | 251 | 75% |
DL flight numbers on SFO → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…