I am happy I was not on THAT plane!

a.k.a. "There seem to be very, VERY drunk pilots out there!"
I have no idea what it was above my head in the coulds, but it looked like a very zig-zaggy airplane trail. Very increased contrast in order to bring out the line, but this shot is here not for its artistic qualities. I just wanted to share because I found it extremely funny and puzzling.
Thanks for visiting!

[Erika]

Wow. That's crazy. What would leave a trail like that?

[Swillin' Billy Flynn]

Bet they felt dizzy after that.

[maree_sanderson]

intriguing...

[KWind]

Wow! That's crazy!

[john morley]

We are not alone. There's a starmam waiting in the sky...

[Kerry]

Weeeee!!

[gloria jones]

Great find and capture

[Simply Amanda]

Wow, stunt maneuvers.

[Carla]

I found this for you https://www.metabunk.org/sinusoidal-thin-contrails-explained-solitary-hybrid-contrails-the-rook-instability.t4539/ Seems like they're quite rare occcurences

[Rachel]

Scary stuff!

[Leslie]

OMGoodness

[Amanda R.]

Oh wow! Lol. How funny! Awesome capture.

[Kate Goring]

Oh my, I just burst out laughing. Love your title, fabulous shot.

[Caroline]

This is so very funny, I'm glad you shared hahaha!!!

[Barbara Webb]

Wow! I've never seen anything like that! Crazy!

[Louis A. Sousa]

Must be smoking wacky tabacky.

[Amanda Ruzicka]

Lol! Yikes!

[Taffy]

Egad!!! I hope someone was paying them to do that!

[Barb]

Wow! what a ride!

[Suse♡]

OMG, I would be so sick by now if in that plane!

[Joan Robillard]

Gosh, I am air sick now.

[Bep]

Very intriguing...

[Nova]

Crazy Vera and what an odd thing to see in the sky. I'm glad I was not up there at that time.

[Daisy Ditch ⊰✿]

Great catch, certainly seems turbulent up there.

[Clare Gadsby]

Goodness me. Wonder what went on there?!

[Mona]

Wow Vera, what a find, and kind of beautiful too! Thanks for sharing.

[Natalie]

Oh my! Lol. Beautiful against the blue sky, great shot.

[Sarah]

Wow, yes, I would not want to be in a plane that was making those maneuvers!

[Vera]

@carla42 THANK YOU! That makes sense now, I am glad I looked at your link!

[Vera]

@epcello @swillinbillyflynn @maree_sanderson @kwind @seattlite @amandal @amandal @888rachel @lesip @emrob @kategoring @kerosene @btwebb @pickerandagrinner @arphotography @taffy @barb_b @susale @joansmor @gijsje @novab @daisyditch @pistache @mona65 @natalie80 @sarahsthreads

Thanks everyone! I am glad to report that Carla's link above clarified it for me - apparently, quite a rare phenomenon. I am glad that being on 365 taught me to always be looking around with my eyes and senses opened!