How reliable is Saipan International Airport?
Flights from SPN departed within 15 minutes of schedule in 93% of 2,132 flights in official BTS history — and weather is calmest in Jun. 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 SPN looks like
On-time departures
across 2,132 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 I Fadang, Saipan
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 · 99/100 favorability
Roughest month
Most disruptive — low visibility & fog, high winds · 95/100 favorability
The read on SPN
What the numbers say about flying through Saipan International Airport
Across official performance history, flights from I Fadang, Saipan left within 15 minutes of schedule about 93% of the time over 2,132 flights. That's one of the more dependable operational records you'll see. Pair it with a moderate cancellation rate of 1.3%. When a departure does run late, the typical delay is around 0 minutes.
On weather, I Fadang, Saipan is an unusually calm-weather airport year-round. June is the calmest stretch for flying, scoring 99 out of 100 for favorable conditions, while October is the most disruptive at 95, driven mainly by low visibility & fog and high winds. 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 I Fadang, Saipan, 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 SPN
- How reliable is Saipan International Airport (SPN)?
- Flights from I Fadang, Saipan left within 15 minutes of schedule roughly 93% of the time across 2,132 flights of official history — one of the more dependable operational records you'll see. The cancellation rate runs about 1.3%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from SPN for good weather?
- June has the calmest flying weather at Saipan International Airport. October is the most disruptive, mainly from low visibility & fog and high winds.
Planning a trip through I Fadang, Saipan?
Score real flights to and from SPN on reliability, weather, and connection safety — not just price.