| 1973-09-10 | | Pan Am | | | Other | | Order placed |
| 1975-10-08 | N40135 | Boeing | Demo colours | | Roll Out | PAE | |
| 1975-11-03 | N40135 | Boeing | Demo colours | | First Flight | PAE | |
| 1975-11-11 | N40135 | Boeing | Demo colours | | Flight | PAE | Departed for World Demonstration flight. First leg to New York. |
| 1975-11-12 | N40135 | Boeing | Demo colours | | Flight | | Set a record for New York to Tokyo in 13 hours, 33 minutes, a distance of 7,015 miles with 200 passengers on board |
| 1975-11-27 | N40135 | Boeing | Demo colours | | Seen | | in Mexico during demo tour. |
| 1975-12-10 | N40135 | Boeing | Demo colours | | Flight | PAE | Returned after 29 days World Demonstration flight after visiting 18 cities, covered a distance of 72,152 miles. Total flight time was 140 hours 15 minutes. |
| 1976-02-01 | N40135 | Boeing 747SP | Demo colours | | Seen | JFK |  Photo |
| 1976-03-05 | N533PA | Pan Am | Old | Clipper Freedom | Delivered | | |
| 1976-04-01 | N533PA | Pan Am | Old | Clipper Freedom | Seen | JFK | Photo |
| 1976-04-30 | N533PA | Pan Am | | Clipper Liberty Bell | Other | | Renamed |
| 1976-05-01 | N533PA | Pan Am | Old | Clipper Liberty Bell | Flight | JFK | Departed for around-the-world record for a commercial aircraft: JFK-DEL-HND-JFK
Commanded by Captain Walter Mulliken, Pan Am's Vice President and Chief Pilot with 98 paying passengers on board to enjoy the experience and paid $US 2,912 for a First Class seat, $US 1,838 for an economy class seat. |
| 1976-05-03 | N533PA | Pan Am | Old | | Flight | JFK | Returned from around-the-world record flight.
Flight time verified by National Aeronautics Association: 39 hours, 25 minutes and 53 seconds, a distance of 23,137 miles. |
| 1976-07-01 | N533PA | Pan Am | Old | Clipper Liberty Bell | Seen | LHR | |
| 1977-01-31 | N533PA | Pan Am | Old | Clipper New Horizons ? | Flight | HNL | Flight 825 DFW-HNL |
| 1977-02-01 | N533PA | Pan Am | Old | Clipper New Horizons ? | Flight | DFW | Flight 826 HNL-DFW |
| 1977-10-01 | N533PA | Pan Am | | Clipper New Horizons | Other | | Renamed |
| 1977-10-28 | N533PA | Pan Am | Old, Flight 50 | | Flight | SFO | Departed SFO for LHR
Celebrating Pan Am's 50th Birthday with a flight around the world but this time over both North and South Pole - Flight 50
Video |
| 1977-10-30 | N533PA | Pan Am | Old, Flight 50 | | Flight | SFO | Returned from Flight 50, last leg AKL-SFO |
| 1978-10-10 | N533PA | Pan Am | Old, Flight 50 | Clipper New Horizons | Seen | LHR | Photo |
| 1979-07-14 | N533PA | Pan Am | Old, Flight 50 | Clipper New Horizons | Seen | MIA | Photo
Photo |
| 1981-08-18 | N533PA | Pan Am | Old, Flight 50 | Clipper New Horizons | Seen | JFK | Photo |
| 1983-03-01 | N533PA | Pan Am | Old, Flight 50 | Clipper New Horizons | Seen | MEL | Photo |
| 1983-07-01 | N533PA | Pan Am | | Clipper San Francisco | Other | | Renamed |
| 1983-07-24 | N533PA | Pan Am | Old, Flight 50 | Clipper San Francisco | Seen | LHR | Photo |
| 1984-01-01 | N533PA | Pan Am | | Clipper New Horizons | Other | | Renamed |
| 1984-02-01 | N533PA | Pan Am | Old, Flight 50 | | Seen | LAX | Photo |
| 1984-05-06 | N533PA | Pan Am | Old, Flight 50 | Clipper New Horizons | Seen | ZRH | Photo |
| 1985-03-01 | N533PA | Pan Am | Old, Flight 50 | Clipper New Horizons | Seen | | |
| 1985-04-01 | N533PA | Pan Am | | Clipper Young America | Other | | Renamed |
| 1985-09-01 | N533PA | Pan Am | Billboard, Flight 50 | Clipper Young America | Seen | CDG | Photo |
| 1985-10-01 | N533PA | Pan Am | Billboard, Flight 50 | Clipper Young America | Seen | LHR | Photo |
| 1985-12-03 | N533PA | Pan Am | Billboard, Flight 50 | Clipper Young America | Seen | ZRH | Photo |
| 1986-02-11 | N533PA | United | All white with UA titles and logo | | Bought | | |
| 1986-03-01 | N143UA | United | Old, small titles | | Reg Changed | | |
| 1986-03-10 | N143UA | United | Old, large titles | | Seen | | Photo |
| 1987-02-18 | N143UA | United | Old, small titles | | Seen | LAX | Photo |
| 1987-05-01 | N143UA | United | Old, small titles | | Seen | SFO | Photo
Photo |
| 1989-07-25 | N143UA | American Finance Group | | | Bought | | |
| 1989-07-25 | N143UA | United | | | Leased | | |
| 1990-05-01 | N143UA | United | Old, large titles | | Seen | SFO | Photo |
| 1990-09-01 | N143UA | United | Old, large titles | | Seen | | Photo |
| 1993-09-01 | N143UA | United | Old, large titles | | Seen | LHR | Photo |
| 1993-09-02 | N143UA | United | Old, large titles | | Seen | LHR | Photo |
| 1994-11-22 | N143UA | United Air Lines Inc. | | | Bought | | Bought by UAL, Inc., parent of United Airlines. |
| 1995-01-14 | N143UA | | Old, large titles | | Seen | LAS | Stored |
| 1995-08-01 | N143UA | Aviation Sales Company Inc | | | Bought | | |
| 1995-08-05 | N143UA | United | | | Ferried | ADM | Ferry flight LAS-ADM |
| 1995-08-20 | N143UA | United | | | Retired | ADM | WFU |
| 1995-09-01 | N143UA | No Titles | ex UA | | Seen | ADM | Photo |
| 1995-12-26 | N143UA | | | | Reg Cancelled | | |
| 1996-03-29 | N143UA | | | | Seen | ADM | Stored |
| 1997-04-24 | N143UA | | | | Seen | ADM | |
| 1997-12-22 | N143UA | | | | Other | | Left for smelters on semi-trucks |
| 1997-12-31 | N143UA | | | | Other | ADM | Not present in any form. The first 747SP to be scrapped. |
N143UA 747SP United
N143UA 747SP ex United
