Flight OddsDL4636 BUF → DTW
Delta Air Lines · Buffalo, NY to Detroit, MI · 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 BUF → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-6 min
90th percentile
+132 min
Cancellation rate
2%
How often is DL4636 on time?
Across 60 flights on BUF → DTW from 2026-01-06 to 2026-06-06, DL4636 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +132 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 | 45 | 76% |
| 16-30 min | 3 | 5% |
| 31-60 min | 1 | 2% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 8 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 20 | 75% | +52 min |
| 2026-02 | 11 | 73% | +30 min |
| 2026-05 | 22 | 73% | +21 min |
| 2026-06 | 6 | 100% | -17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 78% |
| Tue | 10 | 90% |
| Wed | 10 | 90% |
| Thu | 9 | 78% |
| Fri | 9 | 67% |
| Sat | 6 | 50% |
| 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…