DL1541 DTW → STL
Delta Air Lines · Detroit, MI to St. Louis, MO · 312 flights observed, 2025-07-01 to 2026-06-30 · 440 mi
DL1541 covers more than one route in the data window — the stats below are for DTW → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-6 min
90th percentile
+61 min
Cancellation rate
1%
How often is DL1541 on time?
Across 312 flights on DTW → STL from 2025-07-01 to 2026-06-30, DL1541 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +61 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 | 236 | 77% |
| 16-30 min | 15 | 5% |
| 31-60 min | 25 | 8% |
| 61-120 min | 19 | 6% |
| 2+ hrs | 12 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 73% | +17 min |
| 2025-08 | 22 | 86% | +1 min |
| 2025-09 | 20 | 100% | -10 min |
| 2025-10 | 27 | 81% | +3 min |
| 2025-11 | 19 | 79% | +6 min |
| 2025-12 | 17 | 59% | +23 min |
| 2026-01 | 25 | 76% | +14 min |
| 2026-02 | 28 | 82% | +18 min |
| 2026-03 | 29 | 69% | +7 min |
| 2026-04 | 29 | 69% | +8 min |
| 2026-05 | 31 | 77% | +8 min |
| 2026-06 | 30 | 73% | +23 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 45 | 73% |
| Tue | 46 | 78% |
| Wed | 44 | 84% |
| Thu | 44 | 77% |
| Fri | 46 | 70% |
| Sat | 38 | 89% |
| Sun | 44 | 68% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…