Flight OddsDL4479 DTW → MSN
Delta Air Lines · Detroit, MI to Madison, WI · 19 flights observed, 2026-02-12 to 2026-03-06 · 311 mi
DL4479 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
79%
Median delay
-8 min
90th percentile
+46 min
Cancellation rate
0%
How often is DL4479 on time?
Across 19 flights on DTW → MSN from 2026-02-12 to 2026-03-06, DL4479 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +46 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 | 15 | 79% |
| 16-30 min | 0 | 0% |
| 31-60 min | 3 | 16% |
| 61-120 min | 1 | 5% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 13 | 69% | +7 min |
| 2026-03 | 6 | 100% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 3 | 100% |
| Wed | 3 | 67% |
| Thu | 4 | 100% |
| Fri | 4 | 50% |
| Sat | No data | — |
| Sun | 2 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…