Flight OddsDL3599 DTW → BUF
Delta Air Lines · Detroit, MI to Buffalo, NY · 73 flights observed, 2025-10-06 to 2025-12-19 · 241 mi
DL3599 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
82%
Median delay
-11 min
90th percentile
+33 min
Cancellation rate
1%
How often is DL3599 on time?
Across 73 flights on DTW → BUF from 2025-10-06 to 2025-12-19, DL3599 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +33 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 59 | 82% |
| 16-30 min | 5 | 7% |
| 31-60 min | 4 | 6% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 26 | 85% | -5 min |
| 2025-11 | 30 | 87% | -4 min |
| 2025-12 | 16 | 69% | +31 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 91% |
| Tue | 11 | 91% |
| Wed | 11 | 91% |
| Thu | 11 | 73% |
| Fri | 10 | 80% |
| Sat | 8 | 75% |
| Sun | 10 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…