It looks like WestJet added St.Johns YYT to Tampa Bay TPA 1x weekly for Spring 2023 & operating on Sundays from March 19- April 23.
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WESTJET RESUMES ST. JOHN’S NFLD – TAMPA SERVICE IN SPRING 2023
WestJet in Spring 2023 plans to resume St. John’s NFLD – Tampa nonstop service, after hiatus for nearly 3 years. From 19MAR23 to 23APR23, the airline’s Boeing 737 MAX 8 will operate one weekly flight, switching to 737-800 from 02APR23.
Following schedule is effective 02APR23.
WS1037 YYT0800 – 1402TPA 73H 7
WS1976 TPA1455 – 1831YYT 73H 7
https://www.aeroroutes.com/eng/230127-wstpa