Flight OddsDL3981 MDT → DTW
Delta Air Lines · Harrisburg, PA to Detroit, MI · 30 flights observed, 2026-05-07 to 2026-06-06 · 371 mi
DL3981 covers more than one route in the data window — the stats below are for MDT → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
73%
Median delay
-4 min
90th percentile
+118 min
Cancellation rate
0%
How often is DL3981 on time?
Across 30 flights on MDT → DTW from 2026-05-07 to 2026-06-06, DL3981 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +118 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 | 22 | 73% |
| 16-30 min | 2 | 7% |
| 31-60 min | 2 | 7% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 3 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 24 | 83% | +27 min |
| 2026-06 | 6 | 33% | +32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 4 | 75% |
| Wed | 4 | 50% |
| Thu | 5 | 80% |
| Fri | 5 | 80% |
| Sat | 5 | 80% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…