Flight OddsWN4430 SFO → DEN
Southwest Airlines · San Francisco, CA to Denver, CO · 33 flights observed, 2026-03-05 to 2026-04-06 · 967 mi
WN4430 covers more than one route in the data window — the stats below are for SFO → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
48%
Median delay
+17 min
90th percentile
+76 min
Cancellation rate
3%
How often is WN4430 on time?
Across 33 flights on SFO → DEN from 2026-03-05 to 2026-04-06, WN4430 arrived within 15 minutes of schedule 48% of the time. The median arrival delay was +17 min, and the worst 10% of flights arrived +76 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 15 | 48% |
| 16-30 min | 8 | 26% |
| 31-60 min | 3 | 10% |
| 61-120 min | 5 | 16% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 25 | 52% | +21 min |
| 2026-04 | 6 | 33% | +36 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 25% |
| Tue | 4 | 75% |
| Wed | 4 | 75% |
| Thu | 5 | 20% |
| Fri | 4 | 25% |
| Sat | 5 | 40% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…