Titanic sinking timeline at a glance
- The ship did not sink immediately after the collision; the long interval shaped every evacuation decision.
- Early lifeboats left before many passengers understood that Titanic was doomed, and several carried unused seats.
- Exact launch times vary among testimony, ship-time systems and later reconstructions, so responsible timelines use approximate times.
- Carpathia arrived after Titanic had disappeared and spent hours collecting survivors from scattered boats.
Detailed timeline of the Titanic sinking
Times are approximate and follow the most widely accepted sequence. A few events can only be placed within a range.
| Approximate time | Event | Why it mattered |
|---|---|---|
| 11:40 p.m. | Lookouts Frederick Fleet and Reginald Lee see an iceberg. Fleet strikes three bells and telephones the bridge. First Officer William Murdoch orders evasive action. | The starboard side brushes the iceberg, opening the hull to the sea across several forward compartments. |
| 11:40–11:50 p.m. | Watertight doors are closed and officers begin inspecting the ship. Passengers feel anything from a slight vibration to a stronger jolt. | The damage is serious below decks before most people understand that an emergency exists. |
| About midnight | Thomas Andrews reviews the flooding and advises Captain Smith that Titanic cannot remain afloat. | The emergency changes from damage control to evacuation and rescue. |
| About 12:05 a.m. | Captain Smith orders the boats uncovered and passengers called to the boat deck. | Crew members begin preparing an evacuation system that has room for only about half the people aboard. |
| About 12:15 a.m. | Jack Phillips begins transmitting CQD and later SOS with Titanic's position. | Carpathia and other ships learn that Titanic needs immediate assistance. |
| About 12:25 a.m. | Women and children are directed toward the lifeboats. Loading practices differ between officers and between boats. | Family separation, uncertainty and uneven access begin shaping survival. |
| About 12:40–12:45 a.m. | The first boats are lowered and the first distress rocket is fired. Lifeboat 7 is often identified as the first boat away. | Several early boats leave partly filled while the ship still appears stable. |
| About 12:55 a.m. | Lifeboat 6 leaves the port side under Quartermaster Robert Hichens, with Frederick Fleet, Margaret Brown and others aboard. | The boat later becomes one of the best-known examples of conflict over whether to return. |
| About 1:00 a.m. | Water reaches farther aft and the forward list becomes more obvious. More passengers accept that the danger is real. | Boat loading becomes faster, but valuable seats have already left empty. |
| About 1:10–1:25 a.m. | Additional boats leave from both sides, including Boats 1, 8, 9, 10, 12 and 14 in commonly reconstructed sequences. | Officers are working under increasing time pressure and incomplete information. |
| About 1:30 a.m. | Titanic's bow is lower, the deck angle is growing and distress calls become more urgent. | The remaining boats become the only practical escape for hundreds still aboard. |
| About 1:40–1:50 a.m. | The last conventional lifeboats are lowered. Collapsibles C and D are prepared and launched. | Only the remaining collapsibles are left as the sea approaches the forward boat deck. |
| About 2:00 a.m. | Captain Smith releases the wireless operators from duty. Phillips and Bride continue transmitting for a short time. | The final wireless work ends as the power system and ship's structure approach failure. |
| About 2:05 a.m. | Collapsible D leaves. Crew and passengers struggle with Collapsibles A and B on the roof of the officers' quarters. | There is no longer enough time to launch the final two collapsibles normally. |
| About 2:15 a.m. | The bridge and forward boat deck begin flooding. Titanic's angle increases rapidly. | The slow middle stage gives way to the final plunge. |
| About 2:18 a.m. | Electrical lights fail and the hull breaks apart during the final descent. | Survivors described different details from different positions, but the breakup is established by wreck evidence. |
| About 2:20 a.m. | Titanic disappears beneath the Atlantic. | Hundreds are left in dangerously cold water while the lifeboats are scattered around the site. |
| After 2:20 a.m. | Some boats transfer passengers; Lifeboat 14 later returns toward the wreckage. Survivors on Collapsibles A and B struggle through the night. | The immediate survival phase continues long after the ship is gone. |
| About 3:30 a.m. | Carpathia's rockets become visible to people in the boats. | Survivors finally have clear evidence that help is approaching. |
| About 4:10 a.m. | The first Titanic lifeboat reaches Carpathia. | The rescue begins and continues until the last survivors are brought aboard later that morning. |
Ship clocks, witness memories and later reconstructions do not agree on every minute. The broad sequence and the 11:40 p.m. to 2:20 a.m. span are well established.
Why Titanic took nearly three hours to sink
The iceberg did not tear one enormous opening in the hull. The collision produced damage along several forward compartments, allowing water to enter in multiple places. Titanic could survive limited flooding, but not flooding across the number of compartments opened to the sea. As the bow settled, water reached the tops of the internal bulkheads and spilled progressively into spaces farther aft.
That progressive flooding explains the long interval between impact and final plunge. The ship remained brightly lit for much of the evacuation because engineers and electrical staff kept machinery operating. Its apparent stability during the first part of the emergency also made some passengers reluctant to exchange a large liner for a small open boat.
Why exact lifeboat times differ
No single officer stood in one place recording every launch. Witnesses were moving between boats, handling falls, helping passengers and responding to changing conditions. Titanic, Carpathia and shore records also used different clock settings. Modern launch tables therefore combine testimony, inquiry exhibits and later analysis.
The safest approach is to use approximate times and focus on sequence. Early boats left with open seats, the middle launches became fuller, and the last boats were lowered as water reached the boat deck. Collapsibles A and B floated away or were washed from the ship rather than being launched normally.
The final plunge and breakup
For decades, many public accounts showed Titanic sinking intact. The wreck discovered in 1985 established that the bow and stern lie separately on the seabed. Survivor descriptions of a breakup had differed because darkness, distance and the ship's failing lights made the last moments difficult to interpret.
The hull failed during the steepening final descent. The bow section went down first, while the stern remained briefly at or near the surface before descending. A responsible timeline can state the breakup as fact without claiming that every second and angle has been reconstructed with certainty.
The disaster did not end at 2:20 a.m.
People in the boats still faced cold, darkness, separation and uncertainty. Some boats were crowded while others had many empty places. A small number of people were pulled from the water or from damaged collapsibles. Most who entered the sea did not survive long enough to be rescued.
Carpathia's arrival changed the scene from survival in open boats to a mass rescue. The ship collected survivors one boat at a time, provided medical care and shelter, and carried them to New York. The sinking timeline therefore belongs beside the lifeboat, wireless, Californian and Carpathia guides.
How the wreck later tested the final-minute accounts
The 1985 discovery established that Titanic's bow and stern lie as separate major sections with a debris field between them. That finding confirmed the breakup as a physical fact and corrected decades of illustrations that showed the ship descending intact.
The wreck does not turn one survivor into a perfect camera. Jack Thayer, Archibald Gracie, Frank Prentice and witnesses in the lifeboats described the last stage from different positions. Their accounts can now be compared with the separated wreck, but details such as exact angle, timing and visible sequence still require cautious reconstruction.
Sources used for this timeline
The sequence is based chiefly on the 1912 inquiries and their reports. Times are presented as approximate where the evidence differs.
- British inquiry report: collision Lookout warning, bridge response and collision sequence.
- British inquiry report: boats Boat capacities, launches and survivors who left in boats.
- British inquiry report: wireless Distress-message chronology and responding ships.
- White Star Line limitation petition Contemporary statement of the 11:40 p.m. collision and 2:20 a.m. sinking times.
- TitanicSurvivors.com lifeboat directory Boat-by-boat capacity, launch and survivor context.
Continue through the sinking
Frequently asked questions
How long did Titanic take to sink?
About two hours and forty minutes, from roughly 11:40 p.m. to 2:20 a.m.
What time did Titanic hit the iceberg?
The collision is generally placed at about 11:40 p.m. ship's time on April 14, 1912.
What time did Titanic sink?
Titanic disappeared at about 2:20 a.m. on April 15, 1912.
Why are some timeline times different?
Witness memories, different ship clocks and later reconstructions produce small differences, especially for individual lifeboat launches.