I saw the following 27 aircraft at Monterrey, Mexico MTY on Sunday, September 8, 2019:
N532VL A320-271N(WL) Volaris
N536VL A321-271N(WL) Volaris
N85356 ERJ-175-LR (ERJ-170-200 LR) United Express
N893AT 717-2BD Delta Air Lines
XA-ACT ERJ-190-LR (ERJ-190-100 LR) Aeromexico Connect
XA-AEM ERJ-190-LR (ERJ-190-100 LR) Aeromexico Connect
XA-ALK ERJ-170-LR (ERJ-170-100 LR) Aeromexico Connect
XA-ALO ERJ-170-LR (ERJ-170-100 LR) Aeromexico Connect
XA-ALW ERJ-190-LR (ERJ-190-100 LR) Aeromexico Connect
XA-AMG 737-81D(WL) Aeromexico
XA-AMJ 737-852(WL) Aeromexico
XA-DAS Superjet 100-95B Interjet
XA-GAC A320-214(WL) Interjet
XA-GAQ ERJ-170-STD (ERJ-170-100) Aeromexico Connect
XA-HAC ERJ-190-LR (ERJ-190-100 LR) Aeromexico Connect
XA-JIL A321-251N(WL) Interjet
XA-UNY 737-322 Magnicharters
XA-UZW 737-3H4(WL) Magnicharters
XA-VAA A320-232(WL) Viva Aerobus
XA-VAB A320-232 Viva Aerobus
XA-VAQ A320-232(WL) Viva Aerobus
XA-VAS Superjet 100-95B Interjet
XA-VAU A320-232(WL) Viva Aerobus
XA-VCI 737-3H4(WL) Magnicharters
XA-VIO A320-271N(WL) Viva Aerobus
XA-VLN A320-233(WL) Volaris
XA-VOI A319-132 Volaris