Flight OddsDL4677 DTW → MDW
Delta Air Lines · Detroit, MI to Chicago, IL · 55 flights observed, 2026-05-07 to 2026-06-30 · 228 mi
DL4677 covers more than one route in the data window — the stats below are for DTW → MDW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
69%
Median delay
-8 min
90th percentile
+78 min
Cancellation rate
2%
How often is DL4677 on time?
Across 55 flights on DTW → MDW from 2026-05-07 to 2026-06-30, DL4677 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +78 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 37 | 69% |
| 16-30 min | 4 | 7% |
| 31-60 min | 4 | 7% |
| 61-120 min | 5 | 9% |
| 2+ hrs | 4 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 25 | 64% | +20 min |
| 2026-06 | 29 | 72% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 50% |
| Tue | 8 | 75% |
| Wed | 6 | 100% |
| Thu | 8 | 50% |
| Fri | 8 | 63% |
| Sat | 8 | 88% |
| Sun | 8 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…