I saw the following 43 aircraft at DFW on Tuesday, September 11, 2018:
C-FEJC ERJ-175-SU (ERJ-170-200 SU) Air Canada Express
N136AN A321-231(WL) American Airlines
N145AN A321-231(WL) American Airlines
N225NN ERJ-175-LR (ERJ-170-200 LR) American Eagle
N249LR CRJ-900-LR Mesa Airlines
N263NN ERJ-175-LR (ERJ-170-200 LR) American Eagle
N316PF 737-800(WL) American Airlines
N326NB A319-114 Delta Air Lines
N333NW A320-211 Delta Air Lines
N347AZ 767-319(ER) Amazon Prime Air
N359NW A320-212 Delta Air Lines
N4032T A319-115(WL) American Airlines
N508AY A321-231 American Airlines
N521NK A319-132 Spirit Airlines
N575UW A321-231 American Airlines
N612QX CRJ-701 ExpressJet Airlines
N722YX ERJ-175-LR (ERJ-170-200 LR) United Express
N742YX ERJ-175-LR (ERJ-170-200 LR) United Express
N799AN 777-223(ER) American Airlines
N800AE ERJ-140-LR American Eagle
N814AW A319-132 American Airlines
N852NN 737-823(WL) American Airlines
N865NN 737-823(WL) American Airlines
N880NN 737-823(WL) American Airlines
N895UA A319-132 United Airlines
N899NN 737-823(WL) American Airlines
N904FJ CRJ-900-ER Mesa Airlines
N907NN 737-823(WL) American Airlines
N909FJ CRJ-900-ER Mesa Airlines
N921AN 737-823(WL) American Airlines
N939AN 737-823(WL) American Airlines
N946LR CRJ-900-ER Mesa Airlines
N949AN 737-823(WL) American Airlines
N9619V MD-83 American Airlines
N961TW MD-83 American Airlines
N963TW MD-83 American Airlines
N964NN 737-823(WL) American Airlines
N9681B MD-83 American Airlines
N978NN 737-823(WL) American Airlines
N980NN 737-823(WL) American Airlines
N984TW MD-83 American Airlines
N989AU A321-231(WL) American Airlines
N994NN 737-823(WL) American Airlines