Flight OddsDL3983 DTW → BUF
Delta Air Lines · Detroit, MI to Buffalo, NY · 36 flights observed, 2026-03-08 to 2026-04-12 · 241 mi
DL3983 covers more than one route in the data window — the stats below are for DTW → BUF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
58%
Median delay
+4 min
90th percentile
+207 min
Cancellation rate
0%
How often is DL3983 on time?
Across 36 flights on DTW → BUF from 2026-03-08 to 2026-04-12, DL3983 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +207 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 | 21 | 58% |
| 16-30 min | 2 | 6% |
| 31-60 min | 3 | 8% |
| 61-120 min | 5 | 14% |
| 2+ hrs | 5 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 24 | 63% | +49 min |
| 2026-04 | 12 | 50% | +39 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 5 | 20% |
| Wed | 5 | 80% |
| Thu | 5 | 20% |
| Fri | 5 | 80% |
| Sat | 5 | 80% |
| 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…