Flight OddsWN4377 BZN → DEN
Southwest Airlines · Bozeman, MT to Denver, CO · 25 flights observed, 2026-01-11 to 2026-03-02 · 524 mi
WN4377 covers more than one route in the data window — the stats below are for BZN → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
-5 min
90th percentile
+49 min
Cancellation rate
0%
How often is WN4377 on time?
Across 25 flights on BZN → DEN from 2026-01-11 to 2026-03-02, WN4377 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +49 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 | 18 | 72% |
| 16-30 min | 2 | 8% |
| 31-60 min | 3 | 12% |
| 61-120 min | 1 | 4% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 5 | 60% | +24 min |
| 2026-02 | 18 | 72% | +6 min |
| 2026-03 | 2 | 100% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 1 | 0% |
| Wed | No data | — |
| Thu | 5 | 100% |
| Fri | 5 | 40% |
| Sat | 3 | 100% |
| Sun | 6 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…