Flight OddsWN435 BUF → DEN
Southwest Airlines · Buffalo, NY to Denver, CO · 8 flights observed, 2026-04-11 to 2026-05-30 · 1,359 mi
WN435 covers more than one route in the data window — the stats below are for BUF → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
50%
Median delay
+20 min
90th percentile
+80 min
Cancellation rate
0%
How often is WN435 on time?
Across 8 flights on BUF → DEN from 2026-04-11 to 2026-05-30, WN435 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +20 min, and the worst 10% of flights arrived +80 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 | 50% |
| 16-30 min | 1 | 13% |
| 31-60 min | 1 | 13% |
| 61-120 min | 2 | 25% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 3 | 33% | +57 min |
| 2026-05 | 5 | 60% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 8 | 50% |
| 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…