Seems that in the latest cut of fares and restrictions CO has brought down it's cheap same-day to BNA. This ticket is on NW but obviously counts for CO segments and with a plat bonus is under 2 cents a mile.

The flights have space on most days, the trick is the final segment. DTW-CLE on the Saab is often very full.

Priced for 11/8/01...

NW1144 CLE-DTW 0650-0754 DC93
NW1519 DTW-MCI 0852-0959 DC94
NW792 MCI-MEM 1045-1204 DC93
NW3570 MEM-BNA 1255-1348 ARJ
NW3489 BNA-MEM 1445-1545 ARJ
NW474 MEM-ORD 1720-1908 DC93
NW186 ORD-DTW 2005-2217 722
NW2869 DTW-CLE 2305-0006 +1 SF3

Fare: $119.00 ($44 is tax)