SJC → BOI Southwest Airlines
Southwest Airlines · San Jose, CA to Boise, ID · 330 flights, 2025-07-01 to 2026-06-30 · aggregated across 24 flight numbers
On-time arrival
83%
Median delay
-6 min
90th percentile
+31 min
Cancellation rate
0%
How on-time is Southwest Airlines from SJC to BOI?
Across every Southwest Airlines flight number on SJC → BOI (330 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -6 min; the worst 10% ran +31 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 273 | 83% |
| 16-30 min | 22 | 7% |
| 31-60 min | 22 | 7% |
| 61-120 min | 8 | 2% |
| 2+ hrs | 4 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 97% | -4 min |
| 2025-08 | 31 | 90% | -4 min |
| 2025-09 | 29 | 100% | -9 min |
| 2025-10 | 27 | 93% | -4 min |
| 2025-11 | 32 | 84% | +8 min |
| 2025-12 | 40 | 85% | +2 min |
| 2026-01 | 29 | 97% | -10 min |
| 2026-02 | 27 | 100% | -10 min |
| 2026-03 | 20 | 85% | +3 min |
| 2026-04 | 17 | 59% | +14 min |
| 2026-05 | 18 | 39% | +23 min |
| 2026-06 | 28 | 39% | +25 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 55 | 82% |
| Tue | 43 | 100% |
| Wed | 39 | 92% |
| Thu | 52 | 79% |
| Fri | 55 | 76% |
| Sat | 21 | 76% |
| Sun | 64 | 78% |
WN flight numbers on SJC → BOI
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…