Timeline from Bible Hub:

739 BC Isaiah Complains of Zion’s Corruption Isaiah 1 – 5
739 BC Isaiah’s Vision and Commission Isaiah 6
735 BC Isaiah’s Prophesy of Immanuel Isaiah 7
734 BC Uriah and Zechariah Isaiah 8
730 BC Isaiah Prophesies a Child Is Born Isaiah 9
730 BC Isaiah Prophesies Judgments Upon Israel Isaiah 9:8
730 BC Isaiah Prophesies Judgment on Assyria Isaiah 10
730 BC Isaiah Prophesies The Root of Jesse Isaiah 11
730 BC Isaiah’s Joyful Thanksgiving Isaiah 12
725 BC Isaiah Prophesies against the Nations Isaiah 13 – 22
725 BC Isaiah’s Valley of Vision Isaiah 22
725 BC Isaiah’s Burden of Tyre Isaiah 23
725 BC Devastation on the Earth Isaiah 24
725 BC Isaiah’s Songs of Praise Isaiah 25 – 27
725 BC Isaiah’s Further Warnings Isaiah 28 – 32
725 BC Isaiah Prophesies a King Shall Reign Isaiah 32
725 BC Isaiah Declares God’s Judgments Isaiah 33, 34
725 BC Isaiah Declares the Joyful Will Flourish in Zion Isaiah 35
712 BC Hezekiah’s Illness and Healing 2 Kings 20,
Isaiah 38
711 BC Hezekiah Shows Treasures 2 Kings 20:12,
Isaiah 39
711 BC Isaiah Prophesies Captivity and Restoration Isaiah 40 – 66
701 BC Sennacherib Threatens Jerusalem 2 Kings 18,
Isaiah 36,
2 Chronicles 32
701 BC Hezekiah’s Prayer 2 Kings 19,
Isaiah 37

Headings from IsaiahExplained.com:

Chapter 1 — 701 BC — Israel’s ancient apostasy typifies an end-time apostasy, with salvation reserved for some who repent.

Chapter 2  The end-time restoration of Zion/Jerusalem contrasts Jehovah’s judgment of the world at his coming.

Chapter 3  Wickedness in society leads to anarchy, internal collapse, destitution, and invasion by enemies.

Chapter 4  In his Day of Judgment Jehovah preserves alive those whose names are inscribed in the Book of Life.

Chapter 5  Jehovah’s vineyard yields bad fruit, leading to Assyria’s invasion and covenant curses on offenders.

Chapter 6 — 742 BC — Jehovah appears to Isaiah in the temple and sends him as a prophet to warn of imminent judgments.

Chapter 7  King Ahaz’ transgression of the terms of his covenant leads to a hostile world power gaining supremacy.

Chapter 8  A new Flood in the form of Assyria’s world conquest awaits all but those who find refuge in Jehovah.

Chapter 9  A fiery holocaust engulfs the land as leaders and people apostatize and Jehovah empowers his servant.

Chapter 10  Jehovah appoints the king of Assyria to despoil and destroy the wicked of his people and the nations.

Chapter 11  As an ensign to the nations Jehovah’s servant gathers a remnant of Israel and Judah in a new exodus.

Chapter 12  Songs of Salvation and exultation follow Jehovah’s deliverance of a remnant of his people in Zion.

Chapter 13  The Assyrian alliance destroys the wicked world that is Babylon as God destroyed Sodom and Gomorrah.

Chapter 14  The king of Assyria/Babylon conquers the world and ascends the heavens but his soul descends to Hell.

Chapter 15  Moab, a kindred people, suffers calamity in Jehovah’s Day of Judgment, their prayers to no avail.

Chapter 16  Moab’s prideful people receive three years’ warning before Jehovah destroys them and their land.

Chapter 17  Disaster overtakes the people of Ephraim and their allies for forgetting Jehovah and loving idols.

Chapter 18  People’s dread of Assyria’s world conquest is unfounded as Jehovah has prepared a way of escape.

Chapter 19  Although the world’s superpower Egypt suffers internal collapse, Jehovah delivers his covenanters.

Chapter 20  Assyria subjugates the superpower Egypt after Jehovah’s prophet–servant gives three years’ warning.

Chapter 21  Jehovah appoints a watchman to warn of Babylon’s imminent fall at the hands of the Assyrian alliance.

Chapter 22  Sports and amusement addicts suffer enemy invasion; Jehovah appoints his servant in place of another.

Chapter 23  Tyre, the world shipping empire with its magnates, comes to a sudden end in Jehovah’s Day of Judgment.

Chapter 24  Wickedness by the earth’s inhabitants leads to a cataclysmic destruction and collapse into chaos.

Chapter 25  Survivors of the earth’s catastrophic destruction sing praises when Jehovah does away with death.

Chapter 26  Unlike their oppressive rulers, the righteous survive the earth’s desolation while others resurrect.

Chapter 27  At his harvest of the earth’s wicked, Jehovah gleans out individually his people who bear good fruit.

Chapter 28  Ephraim and its prophets reap disaster for being delusional and for rejecting divine revelation.

Chapter 29  Unsealing the sealed Book of Isaiah overturns the learning of academics and exposes spiritual error.

Chapter 30  At Jehovah’s coming the rebellious suffer destruction but those who prove loyal enjoy deliverance.

Chapter 31  Those who trust in Egypt’s military might rely on an arm of flesh as Jehovah alone is all-powerful.

Chapter 32  Jehovah guides and protects the just but he turns the tables on perverse preachers and complacent women.

Chapter 33  Jehovah preserves the righteous at his coming but the wicked of his people and the nations burn up.

Chapter 34  The nations are slaughtered and their lands laid waste in Jehovah’s day of vengeance on behalf of Zion.

Chapter 35  At the new exodus to Zion the righteous regenerate and the desert blooms, heralding Jehovah’s coming.

Chapter 36  The king of Assyria invades many lands and lays siege to a remnant of Jehovah’s people in Jerusalem.

Chapter 37  As King Hezekiah intercedes on behalf of his people Jehovah delivers them from the besieging Assyrians.

Chapter 38  When interceding with Jehovah on behalf of his people against Assyria, Hezekiah suffers nearly to death.

Chapter 39  Upon his recovery from illness and Jehovah’s victory over Assyria, Hezekiah gains notoriety.

Chapter 40  Having spiritually ascended, Zion/Jerusalem declares good tidings to those who have yet to ascend.

Chapter 41  Jehovah’s righteous servant, who hails from the east, leads Jacob/Israel’s returnees in a new conquest.

Chapter 42  Jehovah’s appointing his servant as a light to the nations leads to a new exodus or to captivity.

Chapter 43  Jehovah’s people who repent of idolatry return in a new exodus from the four directions of the earth.

Chapter 44  Jehovah’s servant resembles Moses and Cyrus in dissuading people from idols and rebuilding the temple.

Chapter 45  Jehovah’s servant resembles David and Cyrus in restoring Jehovah’s people and routing their enemies.

Chapter 46  Jehovah sends his servant as a bird of prey to turn his errant people from idolatry to righteousness.

Chapter 47  The Harlot Babylon, who rules as Mistress of Kingdoms, descends into the dust in Jehovah’s Day of Judgment.

Chapter 48  Jehovah’s servant calls on Jacob/Israel to forsake its idols and return in a new exodus out of Babylon.

Chapter 49  Jehovah empowers his servant after he is rejected to restore his people and to implement their new exodus.

Chapter 50  Jehovah’s servant meets hostility from those who sell themselves, who light their way with mere sparks.

Chapter 51  Jehovah empowers his servant as an arm of righteousness to deliver his people in an exodus to Zion.

Chapter 52  Jehovah’s servant and Zion’s watchmen accomplish Zion’s restoration beginning with a new exodus.

Chapter 53  Jehovah’s descent phase as a sacrificial lamb (before his ascent as King of Zion) atones for transgressors.

Chapter 54  Jehovah’s millennial covenant is a composite of all covenants he made with his people and with individuals.

Chapter 55  As a witness and lawgiver to the nations, Jehovah’s servant mediates the new covenant with his people.

Chapter 56  Jehovah curses the blind watchmen of his people but exalts his servants who hold fast to his covenant.

Chapter 57  Jehovah gathers the righteous from among the wicked whose practices turn cultic and perverse.

Chapter 58  Relieving the oppressed and observing the Sabbath sanctify fast days and beget covenant blessings.

Chapter 59  Jehovah’s coming spells retribution for deceivers and predators but deliverance for those who repent.

Chapter 60  At the return to Zion of kings and peoples, Jehovah transforms the land and the millennial age begins.

Chapter 61  For having endured shame those whom Jehovah’s servant endows receive a twofold millennial inheritance.

Chapter 62  Zion/Jerusalem’s watchmen cry to Jehovah day and night as they prepare the way for Jehovah’s coming.

Chapter 63  At his coming, Jehovah takes vengeance on those whom he had redeemed but who yet rebelled against him.

Chapter 64  As Jehovah’s coming draws near, transgressors suffer for their misdeeds at the hands of their enemies.

Chapter 65  As the millennial age approaches, blessings and curses separate Jehovah’s servants from their oppressors.

Chapter 66  Cultic practices and persecution by ecclesiastical leaders coincide with Zion’s rebirth before Jehovah comes.

source: www.IsaiahExplained.com