Flight OddsDTW → STL Delta Air Lines
Delta Air Lines · Detroit, MI to St. Louis, MO · 1,298 flights, 2025-07-01 to 2026-06-30 · aggregated across 30 flight numbers
On-time arrival
78%
Median delay
-8 min
90th percentile
+51 min
Cancellation rate
1%
How on-time is Delta Air Lines from DTW to STL?
Across every Delta Air Lines flight number on DTW → STL (1,298 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +51 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 996 | 78% |
| 16-30 min | 77 | 6% |
| 31-60 min | 101 | 8% |
| 61-120 min | 55 | 4% |
| 2+ hrs | 48 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 115 | 76% | +13 min |
| 2025-08 | 113 | 83% | +1 min |
| 2025-09 | 107 | 93% | -6 min |
| 2025-10 | 116 | 84% | +0 min |
| 2025-11 | 105 | 78% | -1 min |
| 2025-12 | 106 | 62% | +24 min |
| 2026-01 | 89 | 65% | +24 min |
| 2026-02 | 84 | 76% | +15 min |
| 2026-03 | 110 | 70% | +17 min |
| 2026-04 | 109 | 82% | 0 min |
| 2026-05 | 114 | 85% | -1 min |
| 2026-06 | 109 | 79% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 186 | 71% |
| Tue | 193 | 81% |
| Wed | 189 | 83% |
| Thu | 188 | 81% |
| Fri | 186 | 75% |
| Sat | 153 | 82% |
| Sun | 182 | 74% |
DL flight numbers on DTW → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…