Flight OddsDL3839 SMF → SEA
Delta Air Lines · Sacramento, CA to Seattle, WA · 131 flights observed, 2025-08-11 to 2025-12-19 · 605 mi
DL3839 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
95%
Median delay
-11 min
90th percentile
+10 min
Cancellation rate
0%
How often is DL3839 on time?
Across 131 flights on SMF → SEA from 2025-08-11 to 2025-12-19, DL3839 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +10 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 123 | 95% |
| 16-30 min | 0 | 0% |
| 31-60 min | 4 | 3% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 21 | 95% | -4 min |
| 2025-09 | 30 | 93% | -8 min |
| 2025-10 | 30 | 93% | -5 min |
| 2025-11 | 30 | 97% | -10 min |
| 2025-12 | 19 | 95% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 95% |
| Tue | 19 | 84% |
| Wed | 19 | 95% |
| Thu | 19 | 89% |
| Fri | 19 | 100% |
| Sat | 17 | 100% |
| Sun | 18 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…