How reliable is Fort Smith Regional Airport?
Flights from FSM departed within 15 minutes of schedule in 85% of 7,836 flights in official BTS history — and weather is calmest in Aug. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Weather favorability
year-round climate
Origin-airport operations
What the departure punctuality at FSM looks like
On-time departures
across 7,836 flights
Source: BTS Airport Operations · data through 2026-06-25. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
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Weather by month
When the weather works for you at Fort Smith
A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.
Calmest month
Calmest flying weather of the year · 95/100 favorability
Roughest month
Most disruptive — low visibility & fog, snow · 87/100 favorability
The read on FSM
What the numbers say about flying through Fort Smith Regional Airport
Across official performance history, flights from Fort Smith left within 15 minutes of schedule about 85% of the time over 7,836 flights. That's one of the more dependable operational records you'll see. Pair it with an elevated cancellation rate of 3.2% — worth weighing alongside the on-time figure. When a departure does run late, the typical delay is around 10 minutes.
On weather, Fort Smith is an unusually calm-weather airport year-round. August is the calmest stretch for flying, scoring 95 out of 100 for favorable conditions, while January is the most disruptive at 87, driven mainly by low visibility & fog and snow. The year is relatively steady, so no single month stands out as one to avoid on weather alone.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Fort Smith, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about FSM
- How reliable is Fort Smith Regional Airport (FSM)?
- Flights from Fort Smith left within 15 minutes of schedule roughly 85% of the time across 7,836 flights of official history — one of the more dependable operational records you'll see. The cancellation rate runs about 3.2%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from FSM for good weather?
- August has the calmest flying weather at Fort Smith Regional Airport. January is the most disruptive, mainly from low visibility & fog and snow.
Planning a trip through Fort Smith?
Score real flights to and from FSM on reliability, weather, and connection safety — not just price.