STL → SMFSt Louis to Sacramento

live

Direct flights from St Louis (STL) to Sacramento (SMF): 7 nonstop departures observed each week across 1 airline. 100% of the last 7 operated flights arrived within 15 minutes of schedule. The median arrival is 13 minutes early. No cancellations were recorded across the 7 tracked flights. The nonstop covers 2,695 km, an estimated 3 hours 57 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Sacramento. Updated 18 October 2026 at 00:17 UTC.

STL St Louis smooth · +7
SMF Sacramento smooth · +6
2,695 km · ~3h 57m est.
dep bank 08:25–08:357x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
100% on time

of the last 7 operated STL → SMF flights arrived within 15 minutes

Median arrival delay is −13 min. 0 of 7 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−13 minacross the last 7 operated legs
Flight time~3h 57mestimated from route distance
Weekly departures7x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Southwest AirlinesWN100% on time

Flights WN2764 08:25 Su · WN2532 08:35 Mo Th Fr · WN4126 08:35 Tu We Sa

History

operated legs · board outcomes
10-17WN4126dep +57 → arr+7
10-16WN2532dep +25 → arr−10
10-15WN2532dep +15 → arr−27
10-14WN4126dep +11 → arr−25
10-13WN4126dep +13 → arr−13
10-12WN2532dep +17 → arr−12
10-11WN2764dep +8 → arr−21

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
STLSt Louis +7 min smooth 🌤 clear · N 0 kt Full STL delay board →
SMFSacramento +6 min smooth 🌤 clear · N 0 kt Full SMF delay board →

Weather lens

Current conditions put the pressure at STL and SMF: 44% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the St Louis to Sacramento route actually runs

Pro Flight Search records official board updates for nonstop STL to SMF flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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 — St Louis (STL) to Sacramento (SMF) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/STL-SMF
How we measure this →

STL to SMF questions

Is STL–SMF running on time right now?

Smooth skies ahead. The departure side at STL is the weaker end, route health score 89/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on STL–SMF?

Operators schedule morning departures around 08:25 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SMF delay card to confirm conditions when you'd arrive.

How long is the flight from STL to SMF?

Great-circle distance is 2,695 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 220–261 min gate-to-gate on this route.

How often does STL–SMF fly?

Southwest Airlines runs the route with about 7 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.