Flight OddsWN3921 PHX → GEG
Southwest Airlines · Phoenix, AZ to Spokane, WA · 10 flights observed, 2026-06-08 to 2026-06-29 · 1,020 mi
On-time arrival
40%
Median delay
+28 min
90th percentile
+65 min
Cancellation rate
0%
How often is WN3921 on time?
Across 10 flights on PHX → GEG from 2026-06-08 to 2026-06-29, WN3921 arrived within 15 minutes of schedule 40% of the time. The median arrival delay was +28 min, and the worst 10% of flights arrived +65 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 | 4 | 40% |
| 16-30 min | 2 | 20% |
| 31-60 min | 2 | 20% |
| 61-120 min | 2 | 20% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-06 | 10 | 40% | +28 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 3 | 0% |
| Fri | 3 | 67% |
| Sat | No data | — |
| Sun | No data | — |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…