This is the kind of incident that makes your heart stop when you witness it:

Nightmare fuel right there, folks:

Believe it or not, the sweat-inducing video above only tells half the story. The planes really did almost collide, though the near-miss footage above shows the aircraft after the crisis had been avoided.

Turns out the closest they came to a catastrophic mid-air disaster was several seconds before the dashcam footage picks them up.

The Delta pilot's quick steering thankfully avoided a deadly collision.

You can picture the pilots in both aircraft at that point, who might have looked something like this:

By the time the planes were seen in the dash cam footage, the danger had thankfully been left behind:

When the two planes reached the same altitude [as depicted in the video] ... they were actually a mile apart.

This is what we call a "cheap lesson," folks!

Well, except for the air traffic control guy who probably got canned.

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