Flight OddsDL717 SFO → DTW
Delta Air Lines · San Francisco, CA to Detroit, MI · 254 flights observed, 2025-07-01 to 2026-06-30 · 2,079 mi
DL717 covers more than one route in the data window — the stats below are for SFO → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
-3 min
90th percentile
+41 min
Cancellation rate
1%
How often is DL717 on time?
Across 254 flights on SFO → DTW from 2025-07-01 to 2026-06-30, DL717 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +41 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 | 178 | 71% |
| 16-30 min | 29 | 12% |
| 31-60 min | 26 | 10% |
| 61-120 min | 13 | 5% |
| 2+ hrs | 4 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 77% | +3 min |
| 2025-08 | 31 | 90% | -8 min |
| 2025-09 | 25 | 72% | +20 min |
| 2025-10 | 30 | 83% | -1 min |
| 2025-11 | 26 | 81% | -3 min |
| 2025-12 | 10 | 70% | +5 min |
| 2026-03 | 20 | 90% | -6 min |
| 2026-04 | 25 | 76% | +3 min |
| 2026-05 | 25 | 36% | +30 min |
| 2026-06 | 28 | 36% | +29 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 39 | 69% |
| Tue | 39 | 85% |
| Wed | 37 | 65% |
| Thu | 38 | 66% |
| Fri | 36 | 69% |
| Sat | 22 | 73% |
| Sun | 39 | 72% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…