How reliable is Billings Logan International Airport?
Flights from BIL departed within 15 minutes of schedule in 87% of 31,829 flights in official BTS history — and weather is calmest in Sep. 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 BIL looks like
On-time departures
across 31,829 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 Billings
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 · 97/100 favorability
Roughest month
Most disruptive — low visibility & fog, snow · 81/100 favorability
The read on BIL
What the numbers say about flying through Billings Logan International Airport
Across official performance history, flights from Billings left within 15 minutes of schedule about 87% of the time over 31,829 flights. That's one of the more dependable operational records you'll see. Pair it with a low cancellation rate of 0.9%, so flights here rarely vanish outright. When a departure does run late, the typical delay is around 7 minutes.
On weather, Billings is an unusually calm-weather airport year-round. September is the calmest stretch for flying, scoring 97 out of 100 for favorable conditions, while February is the most disruptive at 81, 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 Billings, 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 BIL
- How reliable is Billings Logan International Airport (BIL)?
- Flights from Billings left within 15 minutes of schedule roughly 87% of the time across 31,829 flights of official history — one of the more dependable operational records you'll see. The cancellation rate runs about 0.9%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from BIL for good weather?
- September has the calmest flying weather at Billings Logan International Airport. February is the most disruptive, mainly from low visibility & fog and snow.
Planning a trip through Billings?
Score real flights to and from BIL on reliability, weather, and connection safety — not just price.