Aircraft N37521 Data

N37521
2020 Boeing 737-9 MAX, c/n 64497 l/n 7636
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Latest photos of N37521
Aircraft N37521, Boeing 737-9 MAX, at KRFD, photo by MarkPasqualino
MarkPasqualino
@ KRFD
Aircraft N37521, United Flight 1406 arrives on Runway 6 at Southwest Florida International Airport following flight from Washington-Dulles International Airport, at KRSW, photo by Suncoast Spotter
Suncoast Spotter
@ KRSW
Aircraft N37521, SFO 2023., at KSFO, photo by Clayton Eddy
Clayton Eddy
@ KSFO
Aircraft N37521, SFO 2023., at KSFO, photo by Clayton Eddy
Clayton Eddy
@ KSFO
Recent Routes
IN FLIGHT UAL2265 UA2265 United Airlines
Time Callsign FL Speed Heading Route
2026-09-11 13:28 UTC UAL2265 / UA2265 FL380 402 kt 257° SFO → PDX SFOPDX San Francisco International Airport

Portland International Airport
2026-09-11 02:48 UTC UAL2046 / UA2046 12 kt 90° LGA → DEN LGADEN Laguardia Airport

Denver International Airport
2026-09-10 21:00 UTC UAL598 / UA598 0 kt 169° DEN → LGA DENLGA Denver International Airport

Laguardia Airport
2026-09-10 16:26 UTC UAL513 / UA513 5 kt 180° DEN → RIW DENRIW Denver International Airport

Central Wyoming Regional Airport
2026-09-10 02:44 UTC UAL1424 / UA1424 FL21 221 kt 160°
2026-09-09 22:40 UTC UAL1255 / UA1255 6 kt 90° GEG → DEN GEGDEN Spokane International Airport

Denver International Airport
2026-09-09 19:28 UTC UAL295 / UA295 8 kt 231° DEN → GEG DENGEG Denver International Airport

Spokane International Airport
2026-09-09 15:26 UTC UAL2797 / UA2797 1 kt 180° TPA → DEN TPADEN Tampa International Airport

Denver International Airport
2026-09-09 00:20 UTC UAL1393 / UA1393 2 kt 321° ORD → TPA ORDTPA Chicago O'hare International Airport

Tampa International Airport
2026-09-08 19:40 UTC UAL1293 / UA1293 12 kt 186°
2026-09-08 16:52 UTC UAL2063 / UA2063 FL7 161 kt 274°
2026-09-08 14:22 UTC UAL2766 / UA2766 15 kt ORD → PHX ORDPHX Chicago O'hare International Airport

Phoenix Sky Harbor International Airport
2026-09-05 16:38 UTC UAL683 / UA683 15 kt 354° TPA → DEN TPADEN Tampa International Airport

Denver International Airport
2026-09-05 01:40 UTC UAL1057 / UA1057 1 kt 354° EWR → IAD EWRIAD Newark Liberty International Airport

Washington Dulles International Airport
2026-09-04 21:38 UTC UAL620 / UA620 13 kt 205°
2026-09-04 14:24 UTC UAL2452 / UA2452 FL330 469 kt 184°
2026-09-04 02:20 UTC UAL1628 / UA1628 2 kt 332°
2026-09-03 20:30 UTC UAL1462 / UA1462 FL330 473 kt 161°
2026-09-03 15:46 UTC UAL408 / UA408 3 kt 20° MIA → EWR MIAEWR Miami International Airport

Newark Liberty International Airport
2026-09-02 21:32 UTC UAL702 / UA702 2 kt 25° SFO → MIA SFOMIA San Francisco International Airport

Miami International Airport
2026-09-02 04:48 UTC UAL1195 / UA1195 3 kt 155°
2026-09-02 00:48 UTC UAL1743 / UA1743 FL2 151 kt 263°
2026-09-01 19:32 UTC UAL1031 / UA1031 FL4 167 kt 90°
2026-09-01 06:34 UTC UAL392 / UA392 FL370 450 kt 179° DFW → EWR DFWEWR Dallas-fort Worth International Airport

Newark Liberty International Airport
2026-09-01 00:26 UTC UAL1526 / UA1526 1 kt 332°
2026-08-31 16:40 UTC UAL2122 / UA2122 FL316 484 kt 177°
2026-08-31 14:06 UTC UAL1969 / UA1969 FL7 141 kt 26°
2026-08-31 04:28 UTC UAL1399 / UA1399 FL27 159 kt 227°
2026-08-31 00:24 UTC UAL1053 / UA1053 15 kt 191° CUN → EWR CUNEWR Cancún International Airport

Newark Liberty International Airport
2026-08-30 19:32 UTC UAL1177 / UA1177 10 kt 307° DEN → CUN DENCUN Denver International Airport

Cancún International Airport
2026-08-30 14:12 UTC UAL1889 / UA1889 8 kt SMF → DEN SMFDEN Sacramento International Airport

Denver International Airport
2026-08-30 05:30 UTC UAL249 / UA249 6 kt 248° EWR → SMF EWRSMF Newark Liberty International Airport

Sacramento International Airport
2026-08-29 22:00 UTC UAL1518 / UA1518 10 kt 186°
2026-08-29 15:08 UTC UAL1661 / UA1661 FL310 459 kt 125°
2026-08-29 11:20 UTC UAL1734 / UA1734 1 kt 352° BOS → IAD BOSIAD General Edward Lawrence Logan International Airport

Washington Dulles International Airport
2026-08-29 03:44 UTC UAL755 / UA755 1 kt 284° SFO → IAD SFOIAD San Francisco International Airport

Washington Dulles International Airport
2026-08-29 00:12 UTC UAL8269 / UA8269 2 kt 90°
2026-08-28 22:58 UTC UAN8269 FL350 468 kt
2026-08-28 19:44 UTC UAL583 / UA583 8 kt 110° SFO → MCO SFOMCO San Francisco International Airport

Orlando International Airport
2026-08-28 07:10 UTC UAL2040 / UA2040 1 kt 225° BOS → ORD BOSORD General Edward Lawrence Logan International Airport

Chicago O'hare International Airport
2026-08-28 00:58 UTC UAL1131 / UA1131 FL7 149 kt 90° DEN → ORD DENORD Denver International Airport

Chicago O'hare International Airport
2026-08-27 21:04 UTC UAL2311 / UA2311 2 kt 180° ORD → DEN ORDDEN Chicago O'hare International Airport

Denver International Airport
2026-08-27 16:44 UTC UAL2430 / UA2430 16 kt DEN → ORD DENORD Denver International Airport

Chicago O'hare International Airport
2026-08-26 14:14 UTC UAL1774 / UA1774 3 kt 84°
2026-08-25 23:58 UTC UAL684 / UA684 FL44 243 kt 325°
2026-08-25 04:10 UTC UAL2372 / UA2372 FL2 146 kt 263° KOA → LAX KOALAX Ellison Onizuka Kona International Airport at Keāhole

Los Angeles International Airport
2026-08-24 21:42 UTC UAL2373 / UA2373 8 kt 96°
2026-08-24 14:00 UTC UAL417 / UA417 FL2 149 kt 263°
2026-08-23 00:28 UTC UAL1123 / UA1123 FL5 163 kt 269°
2026-08-22 21:16 UTC UAL1054 / UA1054 6 kt 304° EWR → CUN EWRCUN Newark Liberty International Airport

Cancún International Airport
2026-08-22 16:34 UTC UAL2172 / UA2172 11 kt 262° MSY → EWR MSYEWR Louis Armstrong New Orleans International Airport

Newark Liberty International Airport
2026-08-22 04:46 UTC UAL8184 / UA8184 6 kt 93°
2026-08-22 01:02 UTC UAL2101 / UA2101 FL9 157 kt 270° SEA → ORD SEAORD Seattle-tacoma International Airport

Chicago O'hare International Airport
2026-08-21 19:24 UTC UAL2205 / UA2205 8 kt 180°
2026-08-21 13:28 UTC UAL2228 / UA2228 FL3 158 kt 270° IAD → IAH IADIAH Washington Dulles International Airport

George Bush Intcntl/houston Airport
2026-08-21 05:32 UTC UAL3752 / UA3752 0 kt 354°
2026-08-21 01:26 UTC UAL3778 / UA3778 1 kt
2026-08-20 18:44 UTC UAL3751 / UA3751 FL8 139 kt 50°
2026-08-20 15:02 UTC UAL2098 / UA2098 1 kt 160° BOS → IAD BOSIAD General Edward Lawrence Logan International Airport

Washington Dulles International Airport
2026-08-20 02:52 UTC UAL2634 / UA2634 9 kt 304° SFO → BOS SFOBOS San Francisco International Airport

General Edward Lawrence Logan International Airport
2026-08-19 19:46 UTC UAL726 / UA726 4 kt 200° BOS → SFO BOSSFO General Edward Lawrence Logan International Airport

San Francisco International Airport
2026-08-18 20:14 UTC UAL2647 / UA2647 19 kt 200° SFO → BOS SFOBOS San Francisco International Airport

General Edward Lawrence Logan International Airport
2026-08-18 00:34 UTC UAL1367 / UA1367 3 kt 242° BOS → SFO BOSSFO General Edward Lawrence Logan International Airport

San Francisco International Airport
2026-08-17 16:32 UTC UAL1117 / UA1117 1 kt 290° ORD → BOS ORDBOS Chicago O'hare International Airport

General Edward Lawrence Logan International Airport
2026-08-17 12:26 UTC UAL1862 / UA1862 14 kt 90° ORD → OKC ORDOKC Chicago O'hare International Airport

Okc Will Rogers International Airport
2026-08-17 06:16 UTC UAL1625 / UA1625 FL9 150 kt 324° AUS → ORD AUSORD Austin-bergstrom International Airport

Chicago O'hare International Airport
2026-08-17 03:00 UTC UAL1673 / UA1673 FL9 148 kt 270° EWR → CLE EWRCLE Newark Liberty International Airport

Cleveland-hopkins International Airport
2026-08-16 21:30 UTC UAL1502 / UA1502 FL9 158 kt 230° SLC → ORD SLCORD Salt Lake City International Airport

Chicago O'hare International Airport
2026-08-16 18:04 UTC UAL2124 / UA2124 20 kt 28°
2026-08-16 13:20 UTC UAL320 / UA320 FL2 159 kt 270°
2026-08-12 20:42 UTC UAL1658 / UA1658 14 kt 197° PHX → DEN PHXDEN Phoenix Sky Harbor International Airport

Denver International Airport
2026-08-12 15:54 UTC UAL1481 / UA1481 6 kt 236° DEN → PHX DENPHX Denver International Airport

Phoenix Sky Harbor International Airport
2026-08-12 04:12 UTC UAL2436 / UA2436 8 kt 90° SFO → DEN SFODEN San Francisco International Airport

Denver International Airport
2026-08-11 22:08 UTC UAL552 / UA552 2 kt 28° SFO → ONT SFOONT San Francisco International Airport

Ontario International Airport
2026-08-11 12:40 UTC UAL2864 / UA2864 FL4 159 kt 225°
2026-08-11 05:54 UTC UAL650 / UA650 8 kt 118° EWR → SLC EWRSLC Newark Liberty International Airport

Salt Lake City International Airport
2026-08-10 23:10 UTC UAL2380 / UA2380 FL4 154 kt 90° SFO → BNA SFOBNA San Francisco International Airport

Nashville International Airport
2026-08-10 16:10 UTC UAL2177 / UA2177 5 kt 219° SFO → SAN SFOSAN San Francisco International Airport

San Diego International Airport
2026-08-10 09:24 UTC UAL2117 / UA2117 FL14 165 kt 272° KLDR → SFO KLDRSFO Uscg San Diego Heliport

San Francisco International Airport
2026-08-10 03:36 UTC UAL2681 / UA2681 9 kt 205° SFO → YUL SFOYUL San Francisco International Airport

Montreal / Pierre Elliott Trudeau International Airport
2026-08-10 00:08 UTC UAL679 / UA679 FL3 159 kt 263°
2026-08-09 17:34 UTC UAL486 / UA486 FL8 154 kt 230°
2026-08-09 14:18 UTC UAL2636 / UA2636 2 kt 37°
2026-08-09 03:24 UTC UAL2398 / UA2398 FL8 155 kt 230° EWR → CLE EWRCLE Newark Liberty International Airport

Cleveland-hopkins International Airport
2026-08-09 00:38 UTC UAL1643 / UA1643 1 kt 256° ORD → MCO ORDMCO Chicago O'hare International Airport

Orlando International Airport
2026-08-08 17:56 UTC UAL1739 / UA1739 12 kt 37° EWR → MCO EWRMCO Newark Liberty International Airport

Orlando International Airport
2026-08-07 16:16 UTC UAL2394 / UA2394 10 kt 186°
2026-08-07 14:00 UTC UAL1110 / UA1110 2 kt 250° EWR → BOS EWRBOS Newark Liberty International Airport

General Edward Lawrence Logan International Airport

Live location data from OpenSky Network

Airframe Info
Manufacturer Boeing
Model 737-9 MAX Search all Boeing 737-9 MAX
Year built 2020
Construction Number (C/N) 64497
Line Number (L/N) 7636
Aircraft Type Fixed wing multi engine
Number of Seats 179
Number of Engines 2
Engine Type Turbofan
Engine Manufacturer and Model CFMI LEAP-1B28B
Aircraft
Registration Number N37521
Mode S (ICAO24) Code a44916
Certification Class Standard
Certification Issued 2020-12-17
Air Worthiness Test 2020-12-11
Last Action Taken 2023-12-05
Current Status Valid
Delivery Date 2020-12-17
Owner
Registration Type Corporation
Owner WILMINGTON TRUST CO TRUSTEE
Address 1100 N Market St
Wilmington, DE 198900001
United States
Region Eastern
N37521
1947 Douglas DC-6, c/n 43010
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Airframe Info
Manufacturer Douglas
Model DC-6 Search all Douglas DC-6
Year built 1947
Construction Number (C/N) 43010
Number of Seats 96
Number of Engines 4
Engine Manufacturer and Model P&w DW-CA SERIES
Also Registered As
N939WT Valid
Aircraft
Registration Number N37521
Mode S (ICAO24) Code a44916
Certification Class Standard
Last Action Taken 1977-01-14
Current Status Deregistered
Registration Cancel Date 1976-06-10
Owner
Registration Type Corporation
Owner SALE REPORTED
Address Oklahoma City, OK 73125
United States