How reliable is Metropolitan Oakland International Airport?
Flights from OAK departed within 15 minutes of schedule in 80% of 249,650 flights in official BTS history — and weather is calmest in Apr. 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 OAK looks like
On-time departures
across 249,650 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 Oakland
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 · 98/100 favorability
Roughest month
Most disruptive — low visibility & fog, high winds · 90/100 favorability
The read on OAK
What the numbers say about flying through Metropolitan Oakland International Airport
Across official performance history, flights from Oakland left within 15 minutes of schedule about 80% of the time over 249,650 flights. That's a solid, better-than-average operational record. Pair it with a low cancellation rate of 1.0%, so flights here rarely vanish outright. When a departure does run late, the typical delay is around 9 minutes.
On weather, Oakland is an unusually calm-weather airport year-round. April is the calmest stretch for flying, scoring 98 out of 100 for favorable conditions, while December is the most disruptive at 90, 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 Oakland, 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 OAK
- How reliable is Metropolitan Oakland International Airport (OAK)?
- Flights from Oakland left within 15 minutes of schedule roughly 80% of the time across 249,650 flights of official history — a solid, better-than-average operational record. The cancellation rate runs about 1.0%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from OAK for good weather?
- April has the calmest flying weather at Metropolitan Oakland International Airport. December is the most disruptive, mainly from low visibility & fog and high winds.
Planning a trip through Oakland?
Score real flights to and from OAK on reliability, weather, and connection safety — not just price.