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When to leave for LGA.

Boarding at LaGuardia is a deadline that doesn't move. Set your real boarding time below, fix the drive and the steps, and read off when to leave — and when to start packing.

Boarding
15 min Final pack & check 12:30 PM
30 min Drive to LGA 12:45 PM
15 min Park & walk in 1:15 PM
15 min Bag drop & boarding pass 1:30 PM
20 min Security at LGA 1:45 PM
10 min Walk to the gate 2:05 PM
15 min At the gate early 2:15 PM
Boarding 2:30 PM

Every row is editable: tap the boarding time or any duration and the whole plan recomputes backward. The first travel row — drive, ride, or train — is your leave-by time; the top row is when the trip actually starts.

The 30-minute drive is a typical run from New York without traffic. Check the real drive to LGA at the hour you’ll actually leave, then put that number in.

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Ready Time

You know what you need to do. Ready Time tells you when.

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Getting to LaGuardia

There's no direct rail link: it's a cab, a rideshare, or the Q70 bus from the subway at Roosevelt Avenue. Whatever the mode, cross-borough traffic is the input that matters, and it swings hard between 20 minutes and an hour.

The moving targets — today’s security waits, parking availability, terminal maps — live on the official LGA site. This page covers the part that doesn’t change: the backward arithmetic from boarding.

The part the airport can't see

Every airport tells you when to arrive. None of them tell you when to get in the shower, and that's the number that decides whether the morning is calm or a scramble. The plan above keeps subtracting past the drive — through packing, through getting ready — until it lands on a start time you can actually act on.

That's what Ready Time does for the whole trip: set boarding as the deadline, list the real steps, and get an alert when each one is due to start. It can even pick the flight up from your calendar.

How early should I get to LGA?

Two hours before a domestic departure is the sensible default, three for international. Shave it only on routes and hours you know firsthand. The rebuilt terminals are a genuine upgrade, but the roads feeding them are the same — the Grand Central Parkway and the BQE set your arrival time, not the airport.

How long is security at LGA?

The new Terminal B and Terminal C checkpoints move well outside of the morning shuttle-flight rush, when the business crowd hits them all at once. Whatever wait you've heard about, treat the 20-minute security row in the plan above as a default to edit, not a promise: TSA PreCheck reliably shrinks it, and a checked bag reliably grows the step before it.

Does flying international out of LGA change this?

Mostly at the front of the chain. International check-in usually means the airline desk rather than a kiosk — documents get checked, and counters often close an hour before departure — and boarding opens earlier relative to takeoff. Choose “check-in desk” above the plan, give that row room, and take the boarding time from your boarding pass instead of guessing backward from departure. The same choice covers anyone the kiosk can't help: lap infants, unaccompanied minors, oversized bags.

When should I leave for LGA?

Work backward from boarding, in order: time at the gate, the walk, security, bag drop, parking, then the drive — 30 minutes in the default plan, which you should replace with your route at the hour you'll actually drive it. The calculator above runs the subtraction; the leave-by moment is the first travel row — "Drive to LGA" in the default plan.

Can I get an alert when it's time to leave?

That's Ready Time's whole job. Build this plan once in the app and every step gets its own notification at its start time — start packing, leave now, you're at security's mercy from here. It can detect flights from your calendar, and the alerts carry the countdown to boarding.

Not flying? The generic leave time calculator does the same math for any appointment, and the wake-up time calculator runs it all the way back to the alarm.

Ready Time app icon

Ready Time

You know what you need to do. Ready Time tells you when.

Download on the App Store
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Plans for the rest of the trip

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