ICAO: A64578
Owner: DELTAAIRLINES
Flt: DAL1171 N503DZ A21N DTW-BOS
Time: 2026-03-10 16:02:51 EDT
Min Alt: 9275 ft
Min Dist: 1 nm (17deg NNE)
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ICAO: A64578
Owner: DELTAAIRLINES
Flt: DAL473 N503DZ A21N SEA-BOS
Time: 2026-02-26 08:03:40 EST
Min Alt: 9150 ft
Min Dist: 1 nm (24deg NNE)
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL408 N503DZ A21N BOS-LAS
Time: 2026-01-28 01:05:38 EST
Min Alt: 4425 ft
Min Dist: 0.3 mi (32° NNE)
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL2614 N503DZ A21N MSP-BOS
Time: 2026-01-27 23:12:56 EST
Min Alt: 8900 ft
Min Dist: 1 nm (23° NNE)
Squawk: 3637
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL1098 N503DZ A21N BOS-MSP
Time: 2026-01-26 22:13:36 EST
Min Alt: 4300 ft
Min Dist: 0.33 mi (53° NE)
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL977 N503DZ A21N BOS-SFO-BOS
Time: 2026-01-23 20:36:01 EST
Min Alt: 8675 ft
Min Dist: 1.01 nm (24° NNE)
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL977 N503DZ A21N BOS-SFO-BOS
Time: 2026-01-23 08:11:23 EST
Min Alt: 11800 ft
Min Dist: 1.5 nm (117° ESE)
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL1358 N503DZ A21N SAN-BOS
Time: 2026-01-23 05:30:48 EST
Min Alt: 9175 ft
Min Dist: 1 nm (21° NNE)
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL400 N503DZ A21N SFO-BOS
Time: 2026-01-22 14:57:11 EST
Min Alt: 8750 ft
Min Dist: 0.99 nm (22° NNE)
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL1655 N503DZ A21N BOS-SFO-BOS
Time: 2026-01-20 18:00:44 EST
Min Alt: 3125 ft
Min Dist: 0.4 mi (86° E)
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL657 N503DZ A21N SLC-BOS
Time: 2026-01-20 15:48:13 EST
Min Alt: 8650 ft
Min Dist: 0.99 nm (22° NNE)
Squawk: 2741
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL657 N503DZ A21N SLC-BOS
Time: 2025-12-30 16:44:40 EST
Min Alt: 9300 ft
Min Dist: 1.01 nm (29° NNE)
Squawk: 0560
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Incident: Delta A21N near Tampa on Dec 27th 2025, unusual odour on board #A21N #N503DZ #DL-504
http://avherald.com/h?article=531dabec
ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL324 N503DZ A21N BOS-SEA
Time: 2025-12-25 18:59:53 EST
Min Alt: 8275 ft
Min Dist: 4.3 nm (-173° S)
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL657 N503DZ A21N SLC-BOS
Time: 2025-12-25 16:32:36 EST
Min Alt: 8950 ft
Min Dist: 1.1 nm (48° NE)
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL373 N503DZ A21N BOS-LAS-BOS
Time: 2025-12-06 05:22:50 EST
Min Alt: 8125 ft
Min Dist: 1.01 nm (28° NNE)
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL459 N503DZ A21N SEA-BOS
Time: 2025-12-05 16:13:40 EST
Min Alt: 8225 ft
Min Dist: 0.98 nm (25° NNE)
Loudness: 0 dB
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL332 N503DZ A21N BOS-SEA
Time: 2025-11-29 11:36:59 EST
Min Alt: 11600 ft
Min Dist: 1.2 nm (87° E)
Loudness: 0 dB
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL657 N503DZ A21N SLC-BOS
Time: 2025-11-26 15:27:42 EST
Min Alt: 7850 ft
Min Dist: 0.5 nm (48° NE)
Squawk: 4071
Loudness: 0 dB
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Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N503DZ - Airbus A321 271NXSL - Delta Air Lines DAL426/DL426, John F Kennedy (JFK) to San Diego (SAN) - 3.9 mi away @ 31950 ft, heading W at 504 mph. Spotted 4x before! [07:07:47 PM CST] #A64578 #N503DZ #A21N #DELTA #DAL426 #DL426 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N503DZ - Airbus A321 271NXSL - Delta Air Lines DAL791/DL791, John F Kennedy (JFK) to Phoenix Sky Harbor (PHX) - 3.9 mi away @ 32175 ft, heading WSW at 439 mph. Spotted 3x before! [09:36:38 AM CST] #A64578 #N503DZ #A21N #DELTA #DAL791 #DL791 #ADSB #ADSBbot
ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL499 N503DZ A21N BOS-DEN-BOS
Time: 2025-10-14 22:10:02 EDT
Min Alt: 8900 ft
Min Dist: 0.92 km (39° NE)
Squawk: 3160
Loudness: -1 dB
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ICAO: A64578
Owner: DELTA AIR LINES
Flt: DAL474 N503DZ A21N SEA-BOS
Time: 2025-10-14 01:05:08 EDT
Min Alt: 8625 ft
Min Dist: 0.82 km (42° NE)
Squawk: 1520
Loudness: 0 dB
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