Flight OddsDL2919 BOS → SFO
Delta Air Lines · Boston, MA to San Francisco, CA · 55 flights observed, 2026-04-13 to 2026-06-26 · 2,704 mi
DL2919 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
66%
Median delay
+8 min
90th percentile
+69 min
Cancellation rate
2%
How often is DL2919 on time?
Across 55 flights on BOS → SFO from 2026-04-13 to 2026-06-26, DL2919 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +69 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 | 35 | 66% |
| 16-30 min | 5 | 9% |
| 31-60 min | 6 | 11% |
| 61-120 min | 7 | 13% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 15 | 60% | +18 min |
| 2026-05 | 25 | 64% | +17 min |
| 2026-06 | 13 | 77% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 64% |
| Tue | 8 | 63% |
| Wed | 8 | 63% |
| Thu | 9 | 56% |
| Fri | 11 | 82% |
| Sat | No data | — |
| 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…