Timeline of the Pioneer 11 mission
| Time (UTC/GMT+0) | Event | |
| 1973-04-06 02:11:00 | Launch | |
| 1974-12-03 08:21 | Callisto flyby (786,500km) | |
| 1974-12-03 22:09 | Ganymede flyby (692,300km) | |
| 1974-12-04 03:11 | Io flyby (314,000km) | |
| 1974-12-04 04:15 | Europa flyby (586,700km) | |
| 1974-12-04 05:00:21 | Jupiter shadow entry | |
| 1974-12-04 05:01:01 | Jupiter occultation entry | |
| 1974-12-04 05:21:19 | Jupiter Flyby (altitude 42,828km) | |
| 1974-12-04 05:33:52 | Jupiter shadow exit | |
| 1974-12-04 05:43:03 | Jupiter occultation exit | |
| 1974-12-04 22:29 | Amalthea flyby (127,500km) | |
| 1977-11-01 | Saturn flyby strategy defined | |
| 1978-07-13 | Trim maneuvre to set up Saturn flyby | |
| 1979-08-28 13:26:19 | Precession adjustment maneuvre | |
| 1979-08-28 17:46:32 | Precession adjustment maneuvre | |
| 1979-08-29 06:06:10 | Iapetus closest approach (1,032,535km) | |
| 1979-08-29 11:53:33 | Phoebe closest approach (13,713,574km) | |
| 1979-08-31 12:32:33 | Hyperion closest approach (666,153km) | |
| 1979-09-01 14:26:56 | Descending ring plane crossing | |
| 1979-09-01 14:50:51 | Radiation instruments readings plunge to nearly zero | |
| 1979-09-01 14:50:55 | Epimetheus closest approach (6,676km) | |
| 1979-09-01 14:50:59 | Radiation instruments back to previous levels. Exit wake of as then undiscovered moon. | |
| 1979-09-01 15:06:32 | Atlas closest approach (45,960km) | |
| 1979-09-01 15:59:30 | Dione closest approach (291,556km) | |
| 1979-09-01 16:26:28 | Mimas closest approach (104,263km) | |
| 1979-09-01 16:29:34 | Saturn Flyby (altitude: 20,591km) | |
| 1979-09-01 16:35 | Saturn occultation entry | |
| 1979-09-01 16:35:57 | Saturn shadow entry | |
| 1979-09-01 16:51:11 | Janus closest approach (228,988km) | |
| 1979-09-01 17:53:32 | Saturn occultation exit | |
| 1979-09-01 17:54:47 | Saturn shadow exit | |
| 1979-09-01 18:21:59 | Ascending ring plane crossing | |
| 1979-09-01 18:25:34 | Tethys closest approach (329,197km) | |
| 1979-09-01 18:30:14 | Enceladus closest approach (222,027km) | |
| 1979-09-01 20:04:13 | Calypso closest approach (109,916km) | |
| 1979-09-01 22:15:27 | Rhea closest approach (345,303km) | |
| 1979-09-02 18:00:33 | Titan closest approach (362,962km) | |
| 1995-09-30 | End of science mission | |
| 1995-11-30 | Last signal received | |
| 2009-09-01 16:34 | 30th anniversary of Saturn flyby | |
| 2013-04-06 02:11:00 | 40 years of flight | |
| tbd | in 4 million years: Lambda Aquilla flyby |