I saw the following 56 aircraft at DFW on Monday, June 28, 2021:
A7-BFU 777-F Qatar Airways Cargo
D-AIKE A330-343 Lufthansa
JA881J 787-9 Dreamliner Japan Airlines
N122US A320-214 American Airlines
N187JB ERJ-190-AR (ERJ-190-100 IGW) JetBlue Airways
N190UW A321-211 American Airlines
N202NN ERJ-175-LR (ERJ-170-200 LR) American Eagle
N207AN ERJ-175-LR (ERJ-170-200 LR) American Eagle
N219NN ERJ-175-LR (ERJ-170-200 LR) American Eagle
N224JQ ERJ-175-LR (ERJ-170-200 LR) Delta Connection
N253NN ERJ-175-LR (ERJ-170-200 LR) American Eagle
N265NN ERJ-175-LR (ERJ-170-200 LR) American Eagle
N290NN ERJ-175-LR (ERJ-170-200 LR) American Eagle
N299JJ ERJ-175-LR (ERJ-170-200 LR) American Eagle
N317PG 737-800(WL) American Airlines
N318FR A320-251N(WL) Frontier Airlines
N369DN A321-211(WL) Delta Air Lines
N410AN A321-253NX(WL) American Airlines
N586UW A321-231 American Airlines
N605KS ERJ-145-LR American Eagle
N645NK A320-232(WL) Spirit Airlines
N658AW A320-232 American Airlines
N658CA CRJ-701 Delta Connection
N718AN 777-323(ER) American Airlines
N724AN 777-323(ER) American Airlines
N724YX ERJ-175-LR (ERJ-170-200 LR) United Express
N726SK CRJ-701-ER American Eagle
N744P A319-112 American Airlines
N765US A319-112 American Airlines
N801AW A319-132 American Airlines
N803NN 737-823(WL) American Airlines
N817AW A319-132 American Airlines
N82314 ERJ-175-LR (ERJ-170-200 LR) United Express
N823NN 737-823(WL) American Airlines
N824AN 787-9 Dreamliner American Airlines
N837AN 787-9 Dreamliner American Airlines
N839NN 737-823(WL) American Airlines
N845NN 737-823(WL) American Airlines
N847NN 737-823(WL) American Airlines
N848NN 737-823(WL) American Airlines
N849NN 737-823(WL) American Airlines
N855NN 737-823(WL) American Airlines
N873BB 787-8 Dreamliner American Airlines
N894NN 737-823(WL) American Airlines
N9013A A319-112(WL) American Airlines
N9029F A319-115(WL) American Airlines
N908AA A321-231(WL) American Airlines
N911FJ CRJ-900-ER Mesa Airlines
N912UY A321-231 American Airlines
N918US A321-231 American Airlines
N919FJ CRJ-900-ER Mesa Airlines
N934NN 737-823(WL) American Airlines
N943NN 737-823(WL) American Airlines
N949NN 737-823(WL) American Airlines
N970AN 737-823(WL) American Airlines
N985NN 737-823(WL) American Airlines