Flight OddsDL4949 DTW → MSN
Delta Air Lines · Detroit, MI to Madison, WI · 33 flights observed, 2026-01-10 to 2026-04-12 · 311 mi
DL4949 covers more than one route in the data window — the stats below are for DTW → MSN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
64%
Median delay
-3 min
90th percentile
+44 min
Cancellation rate
0%
How often is DL4949 on time?
Across 33 flights on DTW → MSN from 2026-01-10 to 2026-04-12, DL4949 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +44 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 | 21 | 64% |
| 16-30 min | 3 | 9% |
| 31-60 min | 7 | 21% |
| 61-120 min | 2 | 6% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 2 | 50% | +7 min |
| 2026-03 | 21 | 57% | +12 min |
| 2026-04 | 10 | 80% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 5 | 40% |
| Wed | 5 | 100% |
| Thu | 5 | 60% |
| Fri | 5 | 80% |
| Sat | 2 | 50% |
| 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…