Flight OddsWN818 DEN → BOI
Southwest Airlines · Denver, CO to Boise, ID · 23 flights observed, 2026-06-04 to 2026-06-30 · 649 mi
WN818 covers more than one route in the data window — the stats below are for DEN → BOI, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-2 min
90th percentile
+29 min
Cancellation rate
0%
How often is WN818 on time?
Across 23 flights on DEN → BOI from 2026-06-04 to 2026-06-30, WN818 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +29 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 19 | 83% |
| 16-30 min | 3 | 13% |
| 31-60 min | 1 | 4% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-06 | 23 | 83% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 4 | 100% |
| Wed | 3 | 67% |
| Thu | 4 | 75% |
| Fri | 4 | 75% |
| Sat | 4 | 75% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…