How reliable is La Guardia Airport?
Flights from LGA departed within 15 minutes of schedule in 80% of 878,890 flights in official BTS history — and weather is calmest in Nov. 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 LGA looks like
On-time departures
across 878,890 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 New York
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, snow · 85/100 favorability
The read on LGA
What the numbers say about flying through La Guardia Airport
Across official performance history, flights from New York left within 15 minutes of schedule about 80% of the time over 878,890 flights. That's a solid, better-than-average operational record. Pair it with an elevated cancellation rate of 3.8% — worth weighing alongside the on-time figure. When a departure does run late, the typical delay is around 13 minutes.
On weather, New York is an unusually calm-weather airport year-round. November is the calmest stretch for flying, scoring 96 out of 100 for favorable conditions, while February is the most disruptive at 85, 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 New York, 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 LGA
- How reliable is La Guardia Airport (LGA)?
- Flights from New York left within 15 minutes of schedule roughly 80% of the time across 878,890 flights of official history — a solid, better-than-average operational record. The cancellation rate runs about 3.8%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from LGA for good weather?
- November has the calmest flying weather at La Guardia Airport. February is the most disruptive, mainly from low visibility & fog and snow.
Planning a trip through New York?
Score real flights to and from LGA on reliability, weather, and connection safety — not just price.