Passengers flying from the Isle of Man to Norwich suffered the longest delays in the latest data released by the Civil Aviation Authority.
The organisation has released punctuality figures for June.
Loganair's Norwich services from Ronaldsway were 53 minutes late, while its Edinburgh flights were delayed by an average of 40 minutes.
Eastern Airlines' Belfast City and Flybe's Liverpool flights were most punctual in June - with delays of just four minutes.
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