Originally Posted by UpgradeMe
Yes, but it probably doesn't matter. Unless I'm missing something, NW doesn't fly there, and most of the CO service is on ERJs.
They certainly fly to CUN. I'd imagine that's not all though.
Edit: Oh, I suppose you're talking ZIH specifically. The part you quoted made me think you meant Mexico in general which is obviously not true...
Edit2: Even if you were talking ZIH specifically, there are two A320 flights from MSP per day.