Flight OddsBOI → DEN Southwest Airlines
Southwest Airlines · Boise, ID to Denver, CO · 1,092 flights, 2025-07-01 to 2026-06-30 · aggregated across 43 flight numbers
On-time arrival
79%
Median delay
-5 min
90th percentile
+36 min
Cancellation rate
0%
How on-time is Southwest Airlines from BOI to DEN?
Across every Southwest Airlines flight number on BOI → DEN (1,092 flights, 2025-07-01 to 2026-06-30), 79% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +36 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 854 | 79% |
| 16-30 min | 97 | 9% |
| 31-60 min | 69 | 6% |
| 61-120 min | 40 | 4% |
| 2+ hrs | 25 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 97 | 71% | +15 min |
| 2025-08 | 90 | 73% | +12 min |
| 2025-09 | 90 | 79% | +6 min |
| 2025-10 | 92 | 79% | +4 min |
| 2025-11 | 88 | 88% | +3 min |
| 2025-12 | 92 | 89% | -5 min |
| 2026-01 | 89 | 92% | -5 min |
| 2026-02 | 83 | 73% | +12 min |
| 2026-03 | 88 | 80% | +2 min |
| 2026-04 | 92 | 77% | +5 min |
| 2026-05 | 96 | 73% | +10 min |
| 2026-06 | 88 | 70% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 156 | 79% |
| Tue | 158 | 77% |
| Wed | 155 | 82% |
| Thu | 153 | 76% |
| Fri | 155 | 68% |
| Sat | 142 | 89% |
| Sun | 166 | 80% |
WN flight numbers on BOI → DEN
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…