I'll be flying TVF-MDW on June 9th and am currently booked on DL 1528 from MSP-MDW. The equipment is showing an A319, and I have no doubt that's what I'll be flying on. However, I've been looking around (for the heck of it) at other flights, and not one other day has DL 1528 scheduled, or an A319 for that matter. The next day, the A319 doesn't show up for either MDW-MSP or MDW-DTW, which are the only 2 routes served.
So what's going on here? Is it just a one day aircraft swap? I booked this trip almost 3 weeks ago and it was an A319 when I booked it. The flight isn't even half full according to the seat map. Anyone have any info? Thanks for your help!