Flight OddsWN4511 SLC → DEN
Southwest Airlines · Salt Lake City, UT to Denver, CO · 59 flights observed, 2025-11-02 to 2026-01-05 · 391 mi
WN4511 covers more than one route in the data window — the stats below are for SLC → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
+4 min
90th percentile
+44 min
Cancellation rate
2%
How often is WN4511 on time?
Across 59 flights on SLC → DEN from 2025-11-02 to 2026-01-05, WN4511 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +44 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 41 | 71% |
| 16-30 min | 7 | 12% |
| 31-60 min | 4 | 7% |
| 61-120 min | 5 | 9% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 24 | 83% | +4 min |
| 2025-12 | 29 | 55% | +27 min |
| 2026-01 | 5 | 100% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 80% |
| Tue | 8 | 63% |
| Wed | 9 | 67% |
| Thu | 8 | 75% |
| Fri | 9 | 56% |
| Sat | 5 | 80% |
| Sun | 9 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…