Flight OddsDL3997 PIT → DTW
Delta Air Lines · Pittsburgh, PA to Detroit, MI · 36 flights observed, 2026-03-08 to 2026-04-12 · 201 mi
DL3997 covers more than one route in the data window — the stats below are for PIT → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
-6 min
90th percentile
+117 min
Cancellation rate
3%
How often is DL3997 on time?
Across 36 flights on PIT → DTW from 2026-03-08 to 2026-04-12, DL3997 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +117 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 25 | 71% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 6 | 17% |
| 2+ hrs | 4 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 23 | 57% | +52 min |
| 2026-04 | 12 | 100% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 5 | 60% |
| Wed | 5 | 60% |
| Thu | 5 | 60% |
| Fri | 4 | 100% |
| Sat | 5 | 100% |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…