https://www.epforums.org/showthread.php?136581-Air-Canada%C2%AE%EF%B8%8F-Customer-Service%E2%84%A2%EF%B8%8F-USA-Contact-Numbers-In-Detail-2025-Guide&p=2004366#post2004366https://www.epforums.org/showthread.php?136583-Frontier%C2%AE-Customer%E2%84%A2-Support-USA-Contact-Numbers-Complete-Guide-2025&p=2004369#post2004369