1. It's T-60 minutes and the inbound flight hasn't arrived at your gate (T-45 on WN).
2. It's T-45 and the gate agents haven't arrived.
3. You booked a WN flight that departs after 12 noon.

This.

Also this: you arrive at SFO and there are people sitting on the floor.

Ha just heard that one here in Phoenix except we somehow arrived 40 minutes early so now I'm getting a nice view of incoming aircraft from near taxiway exit C11. Oh well at least I was in F for this flight.

3. You're flying through Chicago.

2. You're flying through ATL.

1. You're flying today.

Ain't that the truth. You win the Internet today.

It used to be

You're flying on USeless Air

but now it's

You're flying UA.

So... Do You Want To Fly Today? ;)

I finally won something! :D

You have a tight connection and your connecting flight departs out of the furthest gate from your inbound flight.

It's boarding time and passengers from the plane's previous flight just started to deplane.

Your flight landed on time, but the assigned gate is occupied.

There is precipitation nearby.

The FA asks over the PA "is there a doctor or nurse on board?"

You're @ JFK and you see a single, solitary cloud off in the distance.

You are in PHL Terminal F'ed, and that same cloud floats by JFK.

Top 10 subtle hints your flight will be delayed
 

You hear the words 'gone technical' as the gate crew are chatting.

Your inline to board and the captain comes off the plane, picks up the phone and has an angry look on his face. Had this happen. CMH to LAS, first place they "deiced incorrectly" and they could not fly that plane, brought another plane in, had us line up and the captain did just that, a panel went out on the plane and they had to bring new panel in.

"Deiced incorrectly" makes me imagine a plane sitting in a block of ice at the gate.

Hmm...that brings me around to the original topic:
You get to the gate and there's a planesicle sitting there.

You see them start pulling cots and blankets out into the terminal. Told my friend to grab one even though her plane still shows as going.

I like this one! ^

The snow on the tarmac around your gate hasn't been plowed.