PLeblond

TZA-SPR? Tropicair Cessna 182 sat in the right seat...
CZM-CUN? Cessna 441 (I think) again in the right seat
CNS-LZR (might have been a charter so I guess it doesn't count) Caravan 208
SOQ-AMQ?

EmailKid

Probably no FTers have flown BFI-YYJ, as it was very short lived. Don't even recall the airline, but it was a small single prop plane that mostly flew to / around northern Vancouver Island.

BFI-Camel Point (or by some Kamel Point) heliport in Victoria by the cruise terminal, route no longer serviced. Did that a few times (IIRC) in last millennium before Helijet dropped the route. Oh, right, this was on a Sikorsky helicopter, regularly scheduled flights.

mecabq

How about SCO (Aktau, formerly Sevchenko Airport in Soviet days)-GYD on Buta (coded J2, same as Azerbaijan Airlines, so I suppose this is like their United Express?). It's a one-hour flight operating less than daily, departing GYD at 23:50, return at 02:55. Fly Arystan, the low-cost affiliate of Air Astana (a very decent airline which I would like to see as an alliance candidate) also serves this route .

Here's one that apparently only existed for a year or so and I did not take regrettably: SCO-RKT (Ras Al Khaimah, UAE). SCAT announced with a lot of fanfare (at least in Ras Al Khaimah) that it was serving eight Kazakh cities from RKT, once per week each. Shockingly this didn't work; they seem to be gone, with no news about their cessation as is typical.

Georgia Peach

SXR Srinagar, Kashmir to LEH Leh, Ladakh, in the mid 1980s. At the time, there was only one runway, and due to the proximity of the Himalays, planes landed and took off uphill. If the wind was over a certain speed, there were no arrivals or departures.

PbodyPhoto

I flew that in 2005, scheduled service on Macair

uanj

Flew that on Aerocozumel in the 80s during a thunderstorm.

Sat next to a policeman who took out his rosary and prayed the entire flight. Honestly just before landing I debated joining him, we were being tossed around in the air so much I doubted we could land. Thankfully it is a short flight.

Law Lord

Also Penzance to Tresco and back, in 1987. I didn't know that PNZ is now a supermarket.
San Francisco to Portland, which is not that unusual, except that the plane made a scheduled stop in Oakland on the way north.
Portland to Boise, with same-airline changes of plane in Seattle and Tri-Cities, and back the same day on the same route, to get 6 qualifying segments for an Alaska promotion.

tai4de2

BKK-PXR on Andaman Air, 2004.

psbaj

PNZ refers to Petrolina, here in Brazil.

There are a lot of new small airport routes in Brazil that Azul started operating with ATR72 and Cessna like POJ-CNF, AAX-CNF, MVF-ARX, and much others.

turnpike74

One flight I've done that I haven't seen here: LPB-CCB-SRZ (Santa Cruz El Trompillo)

Flew on Transporte Aero Militar in 2013, had no clue until the morning of the flight that there were two airports in Santa Cruz at the time- this was the tiny domestic one no longer in use that only TAM flew into, had to dash into a cab to get to VVI for a connecting flight.

ozymandias24

I have a fun new one for y'all: a seldom-travelled route between two frequently visited and densely populated islands in Indonesia! KJT - DPS (Kertajati in West Java to Bali Denpasar).

Kertajati International Airport is the second largest in Indonesia (after Jakarta CGK), and has been open for four years, but it is also almost completely deserted. It's in the middle of nowhere, surrounded by rice paddies, halfway between Bandung and Cirebon. Not sure what the idea was behind building it, but it only had a few internal flights per week for the first few years of operation, and now is up to about four or five internal flights per day, plus (as far as I could see) one-ish international flight per week (a Malaysian Airlines plane doing KUL-KJT). There was a billboard there last month announcing that Saudia might start landing there soon too.

The only reason KJT is getting "busier" now is that Bandung's airport (Husein Sastranegara International Airport:BDO) was closed down this October, with the stated intention of forcing more air traffic destined for Bandung to use KJT (even though KJT is 100km north-east of Bandung, and there is no train connection between Bandung and KJT).

cargueiro

I've flown Arica to Iquique and Iquique to Arica on LanChile.

james318

DTW-AFW (Perot Field, Alliance-Fort Worth) on a DL A220. True, it was a diversion instead of landing at DFW, but we were allowed to disembark there if we chose, or wait for fuel and a storm to clear at DFW and continue the flight. We chose to get off because we can almost see our house from AFW.