WN4678 SAT → DEN

Southwest Airlines · San Antonio, TX to Denver, CO · 23 flights observed, 2026-06-04 to 2026-06-30 · 794 mi

This flight runs much more reliably at some times of day than others — 86% on-time departing 6–9am vs. 38% departing 12–3pm.

WN4678 covers more than one route in the data window — the stats below are for SAT → DEN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
52%
Median delay
+11 min
90th percentile
+89 min
Cancellation rate
0%

How often is WN4678 on time?

Across 23 flights on SAT → DEN from 2026-06-04 to 2026-06-30, WN4678 arrived within 15 minutes of schedule 52% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +89 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1252%
16-30 min313%
31-60 min313%
61-120 min417%
2+ hrs14%

Performance by month

MonthFlightsOn-timeAvg delay
2026-062352%+33 min

Performance by day of week

DayFlightsOn-time
Mon450%
Tue4100%
Wed367%
Thu450%
Fri425%
SatNo data—
Sun425%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…