Flight OddsDL4131 SEA → SMF
Delta Air Lines · Seattle, WA to Sacramento, CA · 319 flights observed, 2025-07-01 to 2026-06-30 · 605 mi
DL4131 covers more than one route in the data window — the stats below are for SEA → SMF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-13 min
90th percentile
+11 min
Cancellation rate
0%
How often is DL4131 on time?
Across 319 flights on SEA → SMF from 2025-07-01 to 2026-06-30, DL4131 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +11 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 | 290 | 91% |
| 16-30 min | 10 | 3% |
| 31-60 min | 11 | 3% |
| 61-120 min | 6 | 2% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 87% | -5 min |
| 2025-08 | 22 | 91% | -5 min |
| 2025-09 | 17 | 100% | -12 min |
| 2025-10 | 30 | 87% | -4 min |
| 2025-11 | 28 | 93% | -7 min |
| 2025-12 | 19 | 84% | -5 min |
| 2026-01 | 27 | 96% | -18 min |
| 2026-02 | 24 | 96% | -9 min |
| 2026-03 | 29 | 93% | -6 min |
| 2026-04 | 30 | 87% | -6 min |
| 2026-05 | 31 | 90% | -4 min |
| 2026-06 | 30 | 93% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 96% |
| Tue | 48 | 94% |
| Wed | 47 | 98% |
| Thu | 47 | 81% |
| Fri | 46 | 89% |
| Sat | 37 | 97% |
| Sun | 46 | 85% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…