Flight OddsDL475 BOS → SFO
Delta Air Lines · Boston, MA to San Francisco, CA · 138 flights observed, 2025-07-06 to 2026-01-04 · 2,704 mi
DL475 covers more than one route in the data window — the stats below are for BOS → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
67%
Median delay
-1 min
90th percentile
+83 min
Cancellation rate
1%
How often is DL475 on time?
Across 138 flights on BOS → SFO from 2025-07-06 to 2026-01-04, DL475 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +83 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 | 92 | 67% |
| 16-30 min | 9 | 7% |
| 31-60 min | 17 | 12% |
| 61-120 min | 9 | 7% |
| 2+ hrs | 10 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 78% | -6 min |
| 2025-08 | 16 | 88% | -5 min |
| 2025-09 | 18 | 78% | +47 min |
| 2025-10 | 26 | 58% | +35 min |
| 2025-11 | 25 | 60% | +9 min |
| 2025-12 | 26 | 62% | +40 min |
| 2026-01 | 3 | 0% | +44 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 78% |
| Tue | 21 | 76% |
| Wed | 19 | 63% |
| Thu | 20 | 65% |
| Fri | 20 | 70% |
| Sat | 8 | 63% |
| Sun | 26 | 54% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…