Revelation 8:13

Then I looked, and I heard an eagle flying in mid-heaven with a loud cry, "Woe, woe, woe to the dwellers on earth, for the rest of the trumpet-blasts that the three angels are about to blow!"

Revelation 11:14

The second woe has passed: the third woe soon is coming.

Revelation 9:12

The first woe has passed: two woes are still to come.

Revelation 14:6

Then I saw another angel flying in mid-heaven with an eternal gospel for the inhabitants of the earth, for every nation and tribe and tongue and people;

Revelation 19:17

Then I saw an angel standing in the sun, who shouted aloud to all the birds that fly in mid-heaven, "Come, gather for the great banquet of God,

Hebrews 1:14

Are not all angels merely spirits in the divine service, commissioned for the benefit of those who are to inherit salvation?

Revelation 9:1

The fifth angel blew, and I saw a Star which had dropped from heaven to earth; he was given the key of the pit of the abyss,

Revelation 14:3

they were singing a new song before the throne and before the four living Creatures and the Presbyters, and no one could learn that song except the hundred and forty-four thousand who had been ransomed from earth.

Treasury of Scripture Knowledge

Summary

And I beheld, and heard an angel flying through the midst of heaven, saying with a loud voice, Woe, woe, woe, to the inhabiters of the earth by reason of the other voices of the trumpet of the three angels, which are yet to sound!

General references

Bible References

Flying

Revelation 14:3
they were singing a new song before the throne and before the four living Creatures and the Presbyters, and no one could learn that song except the hundred and forty-four thousand who had been ransomed from earth.
Revelation 19:17
Then I saw an angel standing in the sun, who shouted aloud to all the birds that fly in mid-heaven, "Come, gather for the great banquet of God,
Hebrews 1:14
Are not all angels merely spirits in the divine service, commissioned for the benefit of those who are to inherit salvation?

General references

Revelation 11:14
The second woe has passed: the third woe soon is coming.