Flight OddsDL4120 DTW → MSN
Delta Air Lines · Detroit, MI to Madison, WI · 32 flights observed, 2025-08-11 to 2025-10-05 · 311 mi
DL4120 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
75%
Median delay
-2 min
90th percentile
+37 min
Cancellation rate
0%
How often is DL4120 on time?
Across 32 flights on DTW → MSN from 2025-08-11 to 2025-10-05, DL4120 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +37 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 | 24 | 75% |
| 16-30 min | 4 | 13% |
| 31-60 min | 4 | 13% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 11 | 73% | +4 min |
| 2025-09 | 17 | 76% | +4 min |
| 2025-10 | 4 | 75% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 5 | 60% |
| Wed | 5 | 60% |
| Thu | 6 | 100% |
| Fri | 6 | 67% |
| Sat | No data | — |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…