the old Terminal B gates, was closed to traffic. An additional 2 gates (17 and 18) were opened on April 18, 2022. Another gate, Gate 11, came online as of May 17, 2022, and on June 8, 2022, two more gates, Gate 12 and Gate 14, were opened. On July 9, 2022, the final two new gates, Gate 15 and Gate 16, opened. However, Gate 23 has been taken out of service to move its jetway to the new Gate 16. American Airlines now operates all flights in this concourse. American Airlines / American Eagle (Gates 11, 12, 14, 15, 16, 17, 18, 19, 20, 22, 24, 25, 26, 27, 28, 29, 30 and 31) Eastern Concourse (Gates 40–59) On December 1, 2018, eleven gates at Terminal B's new Eastern Concourse opened. Five additional gates opened on June 2, 2019, allowing United Airlines to move all of its operations at LaGuardia to the new concourse. On May 20, 2022, the jetway from Gate 49 was moved to Western Concourse Gate 14 for installation. Air Canada / Air Canada Express (Gates 51 and 52) JetBlue (Gates 40, 41, 42, 53, 54, 58, and 59) Southwest Airlines (Gates 48, 55, 56, and 57) United Airlines / United Express (Gates 43, 44, 45, 46, and 47) Terminal C The new Terminal C, designed by Corgan, opened on June 4, 2022, and connects to four concourses serving Delta Air Lines and WestJet (D, E, F, and G). Two of these concourses are new (E and G) and two (D and F) are part of the original Terminal C and D and will be used while new concourses are completed. While the old Terminal C and Terminal D buildings remain while its concourses are still active, the ticketing and baggage operations of these gates have been consolidated into the new Terminal C. When completed, the new Terminal C will include access to 37 gates in its four concourses. The new Terminal C also has a Delta Sky Club, the airline's largest. As of June 4, 2022, these renumbered gates are active: Gates 60A, 60B, and 62–69, the original portion of Terminal C, are used for Delta Air Lines, Delta Connection, and WestJet flights. The gates were formerly numbered C1-C41. The replacement concourse, Concourse D, will use the numbers 61–69 for its gates when it is built. Gates 70, 72–79, in the new Concourse E, opened