WN3488Southwest Airlines · SAT → DEN
live · 46m ago
Route confirmed Southwest Airlines

WN3488 San AntonioSAT · 04:30 DenverDEN · 10:40

WN3488 by Southwest Airlines flies from San Antonio (SAT) to Denver (DEN).

Right nowNext departure tomorrow Operates daily
04:30

scheduled from SAT

Typical arrival+5 minmedian over 5 operations

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
09-22
+0 arrival
09-21
+0 arrival
09-20
+10 arrival
09-19
+63 arrival
09-18
+5 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival +5 min · 0 cancelled · 5 operations tracked

The route today

live boards
SATSan AntonioOn-time likelySAT delay board →
DENDenverOn-time likelyDEN delay board →
SAT→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
41%Chance of 15+ min delay
1.7%Chance of cancellation

Conditions at SAT and DEN are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other San Antonio to Denver flights today

same route · Southwest Airlines
WN3487departs 01:25
WN4646departs 02:00
WN375departs 02:05
WN800departs 08:10
WN4724departs 13:10
WN966departs 13:30

If WN3488 is cancelled, these are the other Southwest Airlines nonstop flights from San Antonio to Denver on the same day, with scheduled departure times in SAT local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3488 actually runs

Pro Flight Search has tracked every published board update for WN3488 across the SAT and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 5 confirmed landings · 4/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3488 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
09-22SAT 04:30DEN 10:40 (+0)
09-21SAT 04:30DEN 10:40 (+0)
09-20SAT 13:35DEN 19:55 20:05 (+10)
09-19SAT 12:00DEN 18:30 19:33 (+63)
09-18SAT DEN 10:40 10:45 (+5)

Aircraft

Recent tails: N8984L, N8321D, N947WN, N8822Q.

Board clocks recorded as SAT and DEN published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — WN3488 San Antonio to Denver on-time performance, measured from the SAT and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3488
How we measure this →