2025-01-11: Delta AL A333 (N820NW) and United AL B739 (N68891) experienced a loss of separation during approach to rwy 8 (resp 7R) at Phoenix-Intl AP(KPHX), AZ. Flight #DL1070 from Detroit and #UA1724 from San Francisco followed their TCAS resolution advisory. Both acft continued for a safe landing.

🇺🇸 N690DL - Boeing 757 232/W - Delta Air Lines DAL1070/DL1070 (DTW-PHX-DTW) - 5.1 mi away @ 41175 ft, heading ENE at 567 mph. Spotted 3x before. [04:17:13 PM CDT] #A92B0C #N690DL #B752 #DELTA #DAL1070 #DL1070 #ADSB #ADSBbot

🇺🇸 N658DL - Boeing 757 232/W - Delta Air Lines DAL1070/DL1070 (DTW-PHX-DTW) - 4.3 mi away @ 34000 ft, heading WSW at 522 mph. Spotted 3x before. [09:16:08 AM CDT] #A8AAC8 #N658DL #B752 #DELTA #DAL1070 #DL1070 #ADSB #ADSBbot

🇺🇸 N573DT - Airbus A321 271NXSL - Delta Air Lines DAL1070/DL1070 (DTW-PHX-DTW) - 4.5 mi away @ 36200 ft, heading WSW at 525 mph. Spotted 2x before. [08:46:08 AM CDT] #A759EB #N573DT #A21N #DELTA #DAL1070 #DL1070 #ADSB #ADSBbot

🇺🇸 N816NW - Airbus A330 323E - Delta Air Lines DAL1070/DL1070 (DTW-PHX-DTW) - 4.5 mi away @ 38150 ft, heading ENE at 555 mph. Spotted for first time! [04:23:44 PM CST] #AB20E7 #N816NW #A333 #DELTA #DAL1070 #DL1070 #ADSB #ADSBbot

🇺🇸 N829DN - Boeing 737NG 932ER/W - Delta Air Lines DAL1070/DL1070 (DTW-PHX-DTW) - 3.9 mi away @ 33675 ft, heading WSW at 545 mph. Spotted 17x before! [08:41:37 AM CDT] #AB52A2 #N829DN #B739 #DELTA #DAL1070 #DL1070 #ADSB #ADSBbot

🇺🇸 N919DU - Boeing 737NG 900ER/W - Delta Air Lines DAL1070/DL1070 (DTW-PHX-DTW) - 4.1 mi away @ 35150 ft, heading SW at 494 mph. Spotted 21x before! [08:56:21 AM CDT] #ACB878 #N919DU #B739 #DELTA #DAL1070 #DL1070 #ADSB #ADSBbot