How reliable is Melbourne International Airport?
Flights from MLB departed within 15 minutes of schedule in 85% of 16,521 flights in official BTS history — and weather is calmest in May. 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 MLB looks like
On-time departures
across 16,521 flights
Source: BTS Airport Operations · data through 2026-06-25. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
Advertisement
Weather by month
When the weather works for you at Melbourne
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 · 96/100 favorability
Roughest month
Most disruptive — low visibility & fog, high winds · 91/100 favorability
The read on MLB
What the numbers say about flying through Melbourne International Airport
Across official performance history, flights from Melbourne left within 15 minutes of schedule about 85% of the time over 16,521 flights. That's one of the more dependable operational records you'll see. Pair it with a moderate cancellation rate of 1.9%. When a departure does run late, the typical delay is around 8 minutes.
On weather, Melbourne is an unusually calm-weather airport year-round. May is the calmest stretch for flying, scoring 96 out of 100 for favorable conditions, while December is the most disruptive at 91, 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 Melbourne, 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 MLB
- How reliable is Melbourne International Airport (MLB)?
- Flights from Melbourne left within 15 minutes of schedule roughly 85% of the time across 16,521 flights of official history — one of the more dependable operational records you'll see. The cancellation rate runs about 1.9%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from MLB for good weather?
- May has the calmest flying weather at Melbourne International Airport. December is the most disruptive, mainly from low visibility & fog and high winds.
Planning a trip through Melbourne?
Score real flights to and from MLB on reliability, weather, and connection safety — not just price.