You've probably already heard horror stories about unusually long TSA security lines at airports, which may only get worse as the summer travel crush adds more travelers.

While we wait for the TSA to fix this (mainly by adding more employees and trying to keep the ones they have), here are some strategies to make sure you don't miss your flight.

Get to the airport super early. If you hate waiting at airports this might be a good time to splurge for an airline lounge day pass. American, for example, charges US$50 for a one-day pass.

Plan to arrive at the very least two hours before boarding for domestic, three to four hours for international. But for some airports, such as Miami when the cruise ships come in, even two hours might not be enough.

Perhaps the best advice is to sign up (now!) for TSA PreCheck or Global Entry. I prefer Global Entry because it includes PreCheck and it's good for five years for a US$100 fee. Some premium credit cards, such as the Amex Platinum Card, reimburse the fee.

The only problem with PreCheck is that at some airports the special lines are only open for a few hours a day, again because of staffing shortages. But not only are the lines much shorter than regular TSA lines, you don't have to take out your laptop and liquids, and you can leave your shoes and light jacket on.

Another hack: Buy priority access to TSA lines such as JetBlue's "even more speed," which gives you expedited lines through TSA. United has a similar program called Premier Access, which starts at US$15. Delta calls it "Sky Priority" and it's available at select airports.

Fly from less busy airports. If you live on Long Island, fly from Islip rather than from JFK, for example. Long Beach usually has shorter lines than LAX, and so on.

Try to fly on a Tuesday or Wednesday when airports are less busy. Some times of the day (such as midday) are slower than during the morning and evening rush, so lines should be shorter.

If you really want to make your plane on time and you fly Delta, their VIP Select Service is offered at LAX, JFK, San Francisco, LaGuardia and Atlanta. For US$250, on top of any Delta fare, you get escorted to the front of the TSA line and even get a transfer between flights via a private car service on the tarmac, plus other VIP perks such as Skyclub lounge access (book via Delta's VIP phone line at 855-235-9847). American has a similar program but it's only available to business- and first-class passengers.

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