Flight OddsSAN → BOS Delta Air Lines
Delta Air Lines · San Diego, CA to Boston, MA · 364 flights, 2025-07-01 to 2026-06-30 · aggregated across 7 flight numbers
On-time arrival
80%
Median delay
-8 min
90th percentile
+34 min
Cancellation rate
2%
How on-time is Delta Air Lines from SAN to BOS?
Across every Delta Air Lines flight number on SAN → BOS (364 flights, 2025-07-01 to 2026-06-30), 80% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +34 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 287 | 80% |
| 16-30 min | 31 | 9% |
| 31-60 min | 27 | 8% |
| 61-120 min | 5 | 1% |
| 2+ hrs | 7 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 77% | -1 min |
| 2025-08 | 31 | 94% | -7 min |
| 2025-09 | 30 | 73% | +38 min |
| 2025-10 | 31 | 84% | +30 min |
| 2025-11 | 29 | 90% | -11 min |
| 2025-12 | 29 | 69% | -2 min |
| 2026-01 | 29 | 83% | +20 min |
| 2026-02 | 26 | 73% | +4 min |
| 2026-03 | 31 | 65% | +43 min |
| 2026-04 | 30 | 77% | +4 min |
| 2026-05 | 31 | 90% | -9 min |
| 2026-06 | 30 | 90% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 86% |
| Tue | 53 | 87% |
| Wed | 52 | 81% |
| Thu | 50 | 80% |
| Fri | 52 | 75% |
| Sat | 51 | 84% |
| Sun | 49 | 69% |
DL flight numbers on SAN → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…