Flight OddsSEA → DTW Delta Air Lines
Delta Air Lines · Seattle, WA to Detroit, MI · 1,532 flights, 2025-07-01 to 2026-06-30 · aggregated across 8 flight numbers
On-time arrival
86%
Median delay
-8 min
90th percentile
+24 min
Cancellation rate
1%
How on-time is Delta Air Lines from SEA to DTW?
Across every Delta Air Lines flight number on SEA → DTW (1,532 flights, 2025-07-01 to 2026-06-30), 86% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +24 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,299 | 86% |
| 16-30 min | 89 | 6% |
| 31-60 min | 61 | 4% |
| 61-120 min | 35 | 2% |
| 2+ hrs | 27 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 166 | 78% | +3 min |
| 2025-08 | 155 | 76% | +6 min |
| 2025-09 | 120 | 85% | +8 min |
| 2025-10 | 123 | 94% | -6 min |
| 2025-11 | 117 | 92% | -11 min |
| 2025-12 | 122 | 81% | +1 min |
| 2026-01 | 96 | 84% | +2 min |
| 2026-02 | 96 | 90% | -11 min |
| 2026-03 | 115 | 90% | +2 min |
| 2026-04 | 115 | 88% | +5 min |
| 2026-05 | 138 | 86% | +4 min |
| 2026-06 | 148 | 93% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 218 | 89% |
| Tue | 219 | 90% |
| Wed | 214 | 87% |
| Thu | 222 | 87% |
| Fri | 221 | 81% |
| Sat | 198 | 86% |
| Sun | 219 | 82% |
DL flight numbers on SEA → DTW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…