Flight OddsDL3997 ORD → DTW
Delta Air Lines · Chicago, IL to Detroit, MI · 12 flights observed, 2026-01-19 to 2026-02-09 · 235 mi
DL3997 covers more than one route in the data window — the stats below are for ORD → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
10%
Median delay
+115 min
90th percentile
+334 min
Cancellation rate
17%
How often is DL3997 on time?
Across 12 flights on ORD → DTW from 2026-01-19 to 2026-02-09, DL3997 arrived within 15 minutes of schedule 10% of the time. The median arrival delay was +115 min, and the worst 10% of flights arrived +334 min or later. 17% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1 | 10% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 10% |
| 61-120 min | 3 | 30% |
| 2+ hrs | 5 | 50% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 5 | 20% | +131 min |
| 2026-02 | 5 | 0% | +274 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 0% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 3 | 33% |
| Fri | 2 | 0% |
| Sat | No data | — |
| Sun | 1 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…