Flight OddsBOS → SAT Delta Air Lines
Delta Air Lines · Boston, MA to San Antonio, TX · 355 flights, 2025-07-01 to 2026-06-30 · aggregated across 2 flight numbers
On-time arrival
81%
Median delay
-10 min
90th percentile
+45 min
Cancellation rate
2%
How on-time is Delta Air Lines from BOS to SAT?
Across every Delta Air Lines flight number on BOS → SAT (355 flights, 2025-07-01 to 2026-06-30), 81% arrived within 15 minutes of schedule. Median arrival delay -10 min; the worst 10% ran +45 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 280 | 81% |
| 16-30 min | 20 | 6% |
| 31-60 min | 17 | 5% |
| 61-120 min | 14 | 4% |
| 2+ hrs | 15 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 90% | -8 min |
| 2025-08 | 30 | 90% | -1 min |
| 2025-09 | 30 | 83% | -3 min |
| 2025-10 | 30 | 77% | +4 min |
| 2025-11 | 27 | 81% | +10 min |
| 2025-12 | 27 | 67% | +27 min |
| 2026-01 | 28 | 79% | +11 min |
| 2026-02 | 27 | 70% | +10 min |
| 2026-03 | 31 | 97% | -19 min |
| 2026-04 | 29 | 86% | -5 min |
| 2026-05 | 30 | 77% | +9 min |
| 2026-06 | 28 | 71% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 85% |
| Tue | 53 | 79% |
| Wed | 51 | 84% |
| Thu | 48 | 81% |
| Fri | 48 | 79% |
| Sat | 49 | 84% |
| Sun | 50 | 74% |
DL flight numbers on BOS → SAT
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…