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Continuity mistake: As Brian lands the plane down to Bangor, his headset is on in a frontal shot, but in a reverse shot it isn't. (00:47:05)
Continuity mistake: When they take off from Bangor you see the landing gear retract, but in the next shot it's back down again.
Continuity mistake: The position of the plane on the runway and the distance it is from the terminal often changes, when Dinah looks at it through the glass, as Toomey runs around from the Langoliers, etc.
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Continuity mistake: After Albert knocks Craig Toomey unconscious with the toaster, as it shows different angles of him laying on the floor, his tie is alternately hanging out/tucked into his suit. (01:48:55)
Continuity mistake: When Nick checks on Albert after he knocks out Craig, during a close-up of Albert you can see that he reaches his hand up to his face. In the very next shot his hand's on his lap again.
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Continuity mistake: When the airport manager tells Brian his ex-wife died in a fire, they exit gate 54, but in the next shot, as they continue to walk down the terminal, it shows them exiting from gate 51. (00:05:00)
Continuity mistake: In the scene were the pilot among the survivors start to land for the first time, the plane starts to shake. The teenage girl is comforted by the teenage boy. In one shot the girl wears her black jacket, in the next shot she's only wearing her green sweater, but in later shots she wears her jacket again. (00:46:10)
Continuity mistake: There is a scene where Laurel, Dinah, and Toomey are in the Cloud 9 restaurant and everyone else is out by the windows looking at the plane. The camera cuts from the group out by the windows - which includes Gaffney - immediately to a shot of the Cloud 9 restaurant sign. You can see Gaffney inside the restaurant through the sign. (01:29:45)
Continuity mistake: As they are going down through the clouds to Bangor, in the wide shot before Bethany faints on Albert. Bethany has vanished from the seat beside Albert. This is before she has fainted. (00:47:25)
Suggested correction: The scene you are referring to is less than a second, and if you blink, you'll miss it. The only way to spot this mistake is to pause it or rewind numerous times, meaning it is not a valid mistake.
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Continuity mistake: The holes which the Langoliers make near the aeroplane, when they chase after Criag Toomy, change position, size, shape, move closer to the plane and then finally vanish. (02:13:30)
Continuity mistake: In most scenes at Bangor airport the plane (L1011/Tristar) can be seen in the middle distance from the terminal window, but in one or two scenes it's right outside blocking the view.
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Continuity mistake: Albert knocks Toomey out with a toaster. You can see during several subsequent shots that there is only a small amount of blood on Toomey's forehead and none at all on his face. Toomey lies there unconscious for a while, without changing position, and when he wakes up, suddenly his whole face is cut up and bloody. (01:54:00 - 01:59:05)
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Continuity mistake: After Nick lets go of Toomey's nose, Toomey is shown placing his left hand over his nose. When the shot cuts, it is now his right hand placed over his nose. (00:17:00)
Continuity mistake: When Craig Toomey jumps out and starts screaming at the blind girl, in the first shot he is holding the knife at shoulder level. In the following shot it is raised to eye level.
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Continuity mistake: When the Langoliers begin eating Toomey, Nick grabs hold of Laurel while he closes the door. In one shot, Laurel's hair is under Nick's arm leaving her left shoulder exposed. But in the next shot as the door starts to close, Laurel's left shoulder is suddenly covered by her hair. (02:14:54)
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Continuity mistake: When Nick sits back in the passenger seat after Brian turns away from the time rift, he is holding onto his left arm after banging it. When he sits down, his left hand is placed over his right arm. When the shot cuts, his left hand is suddenly raised upward slightly. (02:34:58)
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Continuity mistake: When Toomey is begging his father to make the Langoliers go away before they eat him, he has his hands raised in front of his face. There is then a close-up of his mouth, and we can see to the left of shot, his hand grabbing onto the side of his head. (02:14:48)
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Continuity mistake: When the Langoliers bite off Toomey's leg, he falls to the ground and his tie can be seen falling over his right shoulder. When the camera cuts to an angle behind him, the tie cannot be seen over his shoulder. A couple of shots after that, the tie suddenly over his chest. (02:14:35)
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Continuity mistake: When preparing to fuel up the plane, Bethany bends down and opens the fuel tank. Once she stands back up, her back is hunched forward slightly, her right arm is in a reaching position and her leg is bent. When the shot cuts, she is standing fully upright, her arm is no longer reaching downward and her leg is unbent. (02:01:10)
Continuity mistake: When Dinah is trying to explain what she is hearing, as she is saying "I heard it when we got off the airplane, then I decided it was just my imagination", Nick is shown in the background looking at her. It then cuts to a close-up shot of her, and Nick is suddenly looking to the right. (01:10:05)