I caught my boyfriend in a pretty big lie should I confront him or keep it as an ace in my pocket?

My boyfriend of 2.5 years has to fly to TN every other week and I usually see him when he arrives home on Sunday eve. Today he gave me a late time and I checked the schedule, his flight time doesn't exist. This is the 2nd time I caught him in a lie in 2.5 years. He doesn't know I can easily google his airline and all the flights for the day come up. I checked it a few times when I was picking him up at the airport that's how I know about it. Should I confront the lie now or keep it as an ace in my pocket or just find an honest boyfriend.

I caught my boyfriend in a pretty big lie should I confront him or keep it as an ace in my pocket?
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