Flight OddsDL3994 MSN → DTW
Delta Air Lines · Madison, WI to Detroit, MI · 39 flights observed, 2026-01-05 to 2026-03-07 · 311 mi
DL3994 covers more than one route in the data window — the stats below are for MSN → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-10 min
90th percentile
+36 min
Cancellation rate
0%
How often is DL3994 on time?
Across 39 flights on MSN → DTW from 2026-01-05 to 2026-03-07, DL3994 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +36 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 32 | 82% |
| 16-30 min | 2 | 5% |
| 31-60 min | 2 | 5% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 3 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 16 | 81% | +2 min |
| 2026-02 | 18 | 78% | +20 min |
| 2026-03 | 5 | 100% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | 6 | 83% |
| Wed | 6 | 100% |
| Thu | 6 | 100% |
| Fri | 6 | 67% |
| Sat | 4 | 75% |
| Sun | 6 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…