Flight OddsDL812 SEA → DTW
Delta Air Lines · Seattle, WA to Detroit, MI · 365 flights observed, 2025-07-01 to 2026-06-30 · 1,927 mi
On-time arrival
92%
Median delay
-13 min
90th percentile
+13 min
Cancellation rate
1%
How often is DL812 on time?
Across 365 flights on SEA → DTW from 2025-07-01 to 2026-06-30, DL812 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +13 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 | 330 | 92% |
| 16-30 min | 13 | 4% |
| 31-60 min | 2 | 1% |
| 61-120 min | 5 | 1% |
| 2+ hrs | 9 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 89% | 0 min |
| 2025-08 | 31 | 84% | +9 min |
| 2025-09 | 30 | 93% | -5 min |
| 2025-10 | 31 | 97% | -12 min |
| 2025-11 | 30 | 100% | -23 min |
| 2025-12 | 31 | 84% | -5 min |
| 2026-01 | 31 | 94% | -12 min |
| 2026-02 | 28 | 96% | -16 min |
| 2026-03 | 30 | 93% | -1 min |
| 2026-04 | 30 | 97% | -6 min |
| 2026-05 | 30 | 87% | +25 min |
| 2026-06 | 29 | 90% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 96% |
| Tue | 51 | 92% |
| Wed | 51 | 92% |
| Thu | 52 | 92% |
| Fri | 52 | 87% |
| Sat | 52 | 92% |
| Sun | 49 | 92% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…