Flight OddsDL3505 SMF → SEA
Delta Air Lines · Sacramento, CA to Seattle, WA · 147 flights observed, 2025-08-11 to 2026-04-12 · 605 mi
DL3505 covers more than one route in the data window — the stats below are for SMF → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-14 min
90th percentile
+8 min
Cancellation rate
1%
How often is DL3505 on time?
Across 147 flights on SMF → SEA from 2025-08-11 to 2026-04-12, DL3505 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +8 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 136 | 93% |
| 16-30 min | 8 | 5% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 21 | 100% | -17 min |
| 2025-09 | 30 | 87% | -7 min |
| 2025-10 | 31 | 97% | -14 min |
| 2025-11 | 28 | 93% | -15 min |
| 2025-12 | 1 | 100% | -26 min |
| 2026-03 | 23 | 91% | +3 min |
| 2026-04 | 12 | 92% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 86% |
| Tue | 21 | 100% |
| Wed | 21 | 95% |
| Thu | 20 | 90% |
| Fri | 19 | 89% |
| Sat | 21 | 100% |
| Sun | 22 | 91% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…