ICAO: A6A33F
Owner: DELTAAIRLINES
Flt: DAL497 N527DE A21N BOS-LAS-#BOS
Time: 2026-03-29 19:44:54 EDT
Min Alt: 7725 ft
Min Dist: 0.99 nm (24deg NNE)
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ICAO: A6A33F
Owner: DELTAAIRLINES
Flt: DAL825 N527DE A21N SAN-BOS
Time: 2026-03-29 05:55:54 EDT
Min Alt: 8700 ft
Min Dist: 0.99 nm (25deg NNE)
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ICAO: A6A33F
Owner: DELTAAIRLINES
Flt: DAL1171 N527DE A21N DTW-BOS
Time: 2026-03-28 15:55:16 EDT
Min Alt: 8600 ft
Min Dist: 1 nm (17deg NNE)
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ICAO: A6A33F
Owner: DELTAAIRLINES
Flt: DAL702 N527DE A21N SLC-BOS
Time: 2026-03-22 23:46:25 EDT
Min Alt: 9125 ft
Min Dist: 1.1 nm (-12deg NNW)
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ICAO: A6A33F
Owner: DELTAAIRLINES
Flt: DAL657 N527DE A21N SLC-BOS
Time: 2026-03-05 15:46:57 EST
Min Alt: 8050 ft
Min Dist: 4.4 nm (-9deg N)
Squawk: 6046
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ICAO: A6A33F
Owner: DELTAAIRLINES
Flt: DAL400 N527DE A21N SFO-BOS
Time: 2026-02-20 15:04:58 EST
Min Alt: 9050 ft
Min Dist: 0.99 nm (22deg NNE)
Squawk: 6346
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ICAO: A6A33F
Owner: DELTAAIRLINES
Flt: DAL373 N527DE A21N BOS-LAS-#BOS
Time: 2026-02-07 05:18:50 EST
Min Alt: 9700 ft
Min Dist: 1.1 nm (-11deg N)
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ICAO: A6A33F
Owner: DELTA AIR LINES
Flt: DAL459 N527DE A21N SEA-BOS
Time: 2026-01-27 15:21:44 EST
Min Alt: 8950 ft
Min Dist: 0.99 nm (22° NNE)
Squawk: 1672
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Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N527DE - Airbus A321 271NXSL - Delta Air Lines DAL356/DL356, Fort Lauderdale/Hollywood (FLL) to Seattle-Tacoma (SEA) - 4.0 mi away @ 33750 ft, heading NW at 485 mph. Spotted 2x before. [10:48:42 AM CST] #A6A33F #N527DE #A21N #DELTA #DAL356 #DL356 #ADSB #ADSBbot
ICAO: A6A33F
Owner: DELTA AIR LINES
Flt: DAL445 N527DE A21N BOS-SLC
Time: 2026-01-23 17:55:01 EST
Min Alt: 3400 ft
Min Dist: 0.29 mi (45° NE)
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ICAO: A6A33F
Owner: DELTA AIR LINES
Flt: DAL459 N527DE A21N SEA-BOS
Time: 2026-01-23 15:50:11 EST
Min Alt: 8950 ft
Min Dist: 0.99 nm (27° NNE)
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ICAO: A6A33F
Owner: DELTA AIR LINES
Flt: DAL499 N527DE A21N BOS-DEN-BOS
Time: 2026-01-20 16:52:23 EST
Min Alt: 8600 ft
Min Dist: 1.01 nm (32° NNE)
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ICAO: A6A33F
Owner: DELTA AIR LINES
Flt: DAL499 N527DE A21N #
Time: 2026-01-20 07:40:56 EST
Min Alt: 11525 ft
Min Dist: 4.3 nm (82° E)
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ICAO: A6A33F
Owner: DELTA AIR LINES
Flt: DAL696 N527DE A21N #
Time: 2026-01-20 05:37:56 EST
Min Alt: 8800 ft
Min Dist: 1 nm (24° NNE)
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Planefence ICAO: A6A33F
Flt: DAL408 DELTAAIRLINES CVG - SLC
First seen: 2026-01-16 19:14:50 EST
Min Alt: 2675 ft MSL
Min Dist: 0.28 mi
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ICAO: A6A33F
Owner: DELTA AIR LINES
Flt: DAL473 N527DE A21N SEA-BOS
Time: 2026-01-16 06:15:26 EST
Min Alt: 9400 ft
Min Dist: 1.01 nm (5° N)
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Planefence ICAO: A6A33F
Flt: DAL571 DELTAAIRLINES ATL - LGA
First seen: 2025-12-11 17:57:02 EST
Min Alt: 3400 ft MSL
Min Dist: 0.04 mi
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ICAO: A6A33F
Owner: DELTA AIR LINES
Flt: DAL459 N527DE A21N SEA-BOS
Time: 2025-12-11 15:22:39 EST
Min Alt: 8875 ft
Min Dist: 1.01 nm (25° NNE)
Loudness: 0 dB
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ICAO: A6A33F
Owner: DELTA AIR LINES
Flt: DAL1655 N527DE A21N BOS-SFO-BOS
Time: 2025-12-10 05:26:34 EST
Min Alt: 8725 ft
Min Dist: 1.01 nm (26° NNE)
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ICAO: A6A33F
Owner: DELTA AIR LINES
Flt: DAL400 N527DE A21N SFO-BOS
Time: 2025-12-09 15:06:03 EST
Min Alt: 9075 ft
Min Dist: 0.99 nm (21° NNE)
Loudness: 0 dB
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Planefence ICAO: A6A33F
Flt: DAL475 DELTAAIRLINES CVG - ATL
First seen: 2025-12-08 21:04:27 EST
Min Alt: 2575 ft MSL
Min Dist: 0.31 mi
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Planefence ICAO: A6A33F
Flt: DAL1901 DELTAAIRLINES DTW - PVR
First seen: 2025-12-08 12:15:45 EST
Min Alt: 4000 ft MSL
Min Dist: 1.43 nm
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Planefence ICAO: A6A33F
Flt: DAL1901 DELTAAIRLINES DTW - PVR
First seen: 2025-12-08 12:15:11 EST
Min Alt: 2900 ft MSL
Min Dist: 0.28 mi
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ICAO: A6A33F
Owner: DELTA AIR LINES
Flt: DAL473 N527DE A21N SEA-BOS
Time: 2025-12-08 06:12:25 EST
Min Alt: 9075 ft
Min Dist: 0.99 nm (21° NNE)
Loudness: 0 dB
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ICAO: A6A33F
Owner: DELTA AIR LINES
Flt: DAL373 N527DE A21N BOS-LAS-BOS
Time: 2025-12-02 06:08:31 EST
Min Alt: 8975 ft
Min Dist: 1 nm (20° NNE)
Loudness: 0 dB
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ICAO: A6A33F
Owner: DELTA AIR LINES
Flt: DAL1780 N527DE A21N BOS-SJU-BOS
Time: 2025-12-01 08:38:03 EST
Min Alt: 5125 ft
Min Dist: 7.8 nm (125° SE)
Loudness: -1 dB
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Planefence ICAO: A6A33F
Flt: DAL1780 DELTAAIRLINES BOS - SJU
First seen: 2025-12-01 08:37:32 EST
Min Alt: 3875 ft MSL
Min Dist: 1.27 nm
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Planefence ICAO: A6A33F
Flt: DAL1780 DELTAAIRLINES BOS - SJU
First seen: 2025-12-01 08:36:56 EST
Min Alt: 2625 ft MSL
Min Dist: 0.27 mi
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ICAO: A6A33F
Owner: DELTA AIR LINES
Flt: DAL402 N527DE A21N SAN-BOS
Time: 2025-12-01 06:26:09 EST
Min Alt: 8750 ft
Min Dist: 0.99 nm (23° NNE)
Loudness: 0 dB
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