Flight OddsDAL → BOS Southwest Airlines
Southwest Airlines · Dallas, TX to Boston, MA · 260 flights, 2025-07-01 to 2026-06-30 · aggregated across 17 flight numbers
On-time arrival
67%
Median delay
+2 min
90th percentile
+73 min
Cancellation rate
1%
How on-time is Southwest Airlines from DAL to BOS?
Across every Southwest Airlines flight number on DAL → BOS (260 flights, 2025-07-01 to 2026-06-30), 67% arrived within 15 minutes of schedule. Median arrival delay +2 min; the worst 10% ran +73 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 174 | 67% |
| 16-30 min | 27 | 10% |
| 31-60 min | 23 | 9% |
| 61-120 min | 23 | 9% |
| 2+ hrs | 11 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 52% | +37 min |
| 2025-08 | 23 | 74% | +20 min |
| 2025-09 | 20 | 20% | +55 min |
| 2025-10 | 30 | 40% | +31 min |
| 2025-11 | 18 | 94% | +1 min |
| 2025-12 | 15 | 60% | +25 min |
| 2026-01 | 4 | 75% | -2 min |
| 2026-03 | 26 | 85% | -2 min |
| 2026-04 | 30 | 83% | -1 min |
| 2026-05 | 31 | 87% | -3 min |
| 2026-06 | 30 | 73% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 40 | 65% |
| Tue | 29 | 66% |
| Wed | 26 | 77% |
| Thu | 37 | 62% |
| Fri | 43 | 63% |
| Sat | 39 | 74% |
| Sun | 44 | 68% |
WN flight numbers on DAL → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…