SMF → BNASacramento to Nashville

live

Direct flights from Sacramento (SMF) to Nashville (BNA): 7 nonstop departures observed each week across 1 airline. 100% of the last 8 operated flights arrived within 15 minutes of schedule. The median arrival is 8 minutes early. No cancellations were recorded across the 8 tracked flights. The nonstop covers 3,078 km, an estimated 4 hours 27 minutes in the air. Measured by Pro Flight Search from live flight boards at Sacramento and Nashville. Updated 13 September 2026 at 20:03 UTC.

SMF Sacramento smooth · +8
BNA Nashville smooth · +0
3,078 km · ~4h 27m est.
dep bank 06:05–11:107x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
100% on time

of the last 8 operated SMF → BNA flights arrived within 15 minutes

Median arrival delay is −8 min. 0 of 8 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−8 minacross the last 8 operated legs
Flight time~4h 27mestimated 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 WN3734 06:05 Su · WN4547 07:15 Sa · WN3678 varies Mo Tu We Th Fr

History

operated legs · board outcomes
09-13WN3734dep +18 → arr−11
09-12WN4547dep +14 → arr−6
09-11WN3678dep +27 → arr−1
09-10WN3678dep +13 → arr−11
09-09WN3678dep +13 → arr−13
09-08WN3678dep +35 → arr−28
09-07WN3678dep +38 → arr+14
09-06WN3734dep +9 → arr−8

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
SMFSacramento +8 min smooth 🌤 clear · W 5 kt Full SMF delay board →
BNANashville +0 min smooth 🌤 mostly cloudy · 4 kt Full BNA delay board →

Weather lens

Current conditions put the pressure at SMF and BNA: 38% odds of a 15+ minute delay and around +5 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Sacramento to Nashville route actually runs

Pro Flight Search records official board updates for nonstop SMF to BNA 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 — Sacramento (SMF) to Nashville (BNA) route reliability, measured from operated flights on official airport boards.

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

SMF to BNA questions

Is SMF–BNA running on time right now?

Smooth skies ahead. The departure side at SMF is the weaker end, route health score 94/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SMF–BNA?

Operators schedule morning departures around 06:05 from SMF. Earlier flights typically land before destination-airport delays accumulate later in the day; check the BNA delay card to confirm conditions when you'd arrive.

How long is the flight from SMF to BNA?

Great-circle distance is 3,078 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 247–294 min gate-to-gate on this route.

How often does SMF–BNA 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.