Flight OddsDL4636 DTW → BUF
Delta Air Lines · Detroit, MI to Buffalo, NY · 60 flights observed, 2026-01-06 to 2026-06-06 · 241 mi
DL4636 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
78%
Median delay
-8 min
90th percentile
+93 min
Cancellation rate
2%
How often is DL4636 on time?
Across 60 flights on DTW → BUF from 2026-01-06 to 2026-06-06, DL4636 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +93 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 46 | 78% |
| 16-30 min | 4 | 7% |
| 31-60 min | 0 | 0% |
| 61-120 min | 4 | 7% |
| 2+ hrs | 5 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 20 | 70% | +23 min |
| 2026-02 | 11 | 73% | +3 min |
| 2026-05 | 22 | 82% | +16 min |
| 2026-06 | 6 | 100% | -16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 56% |
| Tue | 10 | 90% |
| Wed | 10 | 90% |
| Thu | 9 | 78% |
| Fri | 9 | 67% |
| Sat | 6 | 83% |
| Sun | 6 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…