Flight OddsSTL → DTW Delta Air Lines
Delta Air Lines · St. Louis, MO to Detroit, MI · 1,298 flights, 2025-07-01 to 2026-06-30 · aggregated across 34 flight numbers
On-time arrival
86%
Median delay
-14 min
90th percentile
+34 min
Cancellation rate
2%
How on-time is Delta Air Lines from STL to DTW?
Across every Delta Air Lines flight number on STL → DTW (1,298 flights, 2025-07-01 to 2026-06-30), 86% arrived within 15 minutes of schedule. Median arrival delay -14 min; the worst 10% ran +34 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,095 | 86% |
| 16-30 min | 43 | 3% |
| 31-60 min | 46 | 4% |
| 61-120 min | 40 | 3% |
| 2+ hrs | 52 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 115 | 79% | +5 min |
| 2025-08 | 113 | 90% | -8 min |
| 2025-09 | 107 | 97% | -17 min |
| 2025-10 | 115 | 89% | -3 min |
| 2025-11 | 105 | 92% | -9 min |
| 2025-12 | 105 | 75% | +26 min |
| 2026-01 | 89 | 76% | +15 min |
| 2026-02 | 84 | 80% | +11 min |
| 2026-03 | 110 | 83% | +10 min |
| 2026-04 | 111 | 93% | -4 min |
| 2026-05 | 115 | 90% | -4 min |
| 2026-06 | 107 | 82% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 184 | 76% |
| Tue | 191 | 90% |
| Wed | 191 | 90% |
| Thu | 189 | 93% |
| Fri | 184 | 83% |
| Sat | 154 | 86% |
| Sun | 183 | 83% |
DL flight numbers on STL → DTW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…