fly by the seat of one's pants

Meaning

To 'fly by the seat of one's pants' means to act instinctively or improvise as you go, rather than following a clear plan, preparation, or instructions. Originally an aviation term for piloting by feel without instruments, it is now commonly used in travel and daily life to describe spontaneous, unplanned actions.

Examples

• We didn't book any hotels for our trip; we're just going to fly by the seat of our pants.

  We didn't book any hotels for our trip; we're just going to fly by the seat of our pants.

• When the tour guide canceled, we had to fly by the seat of our pants and find our own way.

  When the tour guide canceled, we had to fly by the seat of our pants and find our own way.

• I forgot my itinerary at home, so I've been flying by the seat of my pants all week.

  I forgot my itinerary at home, so I've been flying by the seat of my pants all week.

• She prefers to plan every detail, whereas her husband likes to fly by the seat of his pants.

  She prefers to plan every detail, whereas her husband likes to fly by the seat of his pants.

• Without a map or a working phone, we were completely flying by the seat of our pants.

  Without a map or a working phone, we were completely flying by the seat of our pants.

Common Mistakes

• ✗ We decided to fly by the seat of our trousers.

  ✓ We decided to fly by the seat of our pants.

  Idioms are fixed expressions. Even though 'trousers' is a synonym for 'pants' in British English, changing the words in a set idiom makes it sound incorrect and unnatural.

• ✗ He is flying on the seat of his pants.

  ✓ He is flying by the seat of his pants.

  The correct preposition for this idiom is 'by,' not 'on' or 'at.'

Related Expressions

Practice

• I don't have a set schedule for my backpacking trip; I'm just going to ___.

  💡 Improvise without a fixed plan (use 'my').

  Show answer

  fly by the seat of my pants

• When the GPS stopped working, we had to ___ for the rest of the drive.

  💡 Figure things out as we go (use 'our').

  Show answer

  fly by the seat of our pants