Flight OddsSAT → BOS Delta Air Lines
Delta Air Lines · San Antonio, TX to Boston, MA · 355 flights, 2025-07-01 to 2026-06-30 · aggregated across 3 flight numbers
On-time arrival
62%
Median delay
+4 min
90th percentile
+99 min
Cancellation rate
2%
How on-time is Delta Air Lines from SAT to BOS?
Across every Delta Air Lines flight number on SAT → BOS (355 flights, 2025-07-01 to 2026-06-30), 62% arrived within 15 minutes of schedule. Median arrival delay +4 min; the worst 10% ran +99 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 212 | 62% |
| 16-30 min | 37 | 11% |
| 31-60 min | 27 | 8% |
| 61-120 min | 38 | 11% |
| 2+ hrs | 29 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 57% | +35 min |
| 2025-08 | 28 | 75% | +4 min |
| 2025-09 | 30 | 23% | +54 min |
| 2025-10 | 30 | 37% | +77 min |
| 2025-11 | 27 | 70% | +30 min |
| 2025-12 | 27 | 67% | +15 min |
| 2026-01 | 27 | 81% | +2 min |
| 2026-02 | 27 | 63% | +26 min |
| 2026-03 | 31 | 74% | +19 min |
| 2026-04 | 29 | 66% | +16 min |
| 2026-05 | 29 | 69% | +8 min |
| 2026-06 | 28 | 64% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 48 | 69% |
| Tue | 52 | 58% |
| Wed | 51 | 55% |
| Thu | 46 | 63% |
| Fri | 48 | 48% |
| Sat | 49 | 71% |
| Sun | 49 | 69% |
DL flight numbers on SAT → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…