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Technology that changed air travel

retool.com Essays & writing Essays & articles Space & transportation Candidate
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Page preview · captured 2026-07-20

Resurfaced independently across 3 calendar years, with breakout response in 2 of them.

submissions
3
submitters
3
observed span
2019–2022
peak thread · 63 comments
185 pts
latest 20+ return · 2022-09-09
132 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

Hi all! I'm the editor of this post. I love traveling, and have always wondered how reservations systems worked. This post explores that. In the future, we're hoping to write a piece about how air fare pricing works too. There's a lot of interesting stuff re. fare buckets, forecasting supply + demand, etc. It's also very topical with COVID: https://www.flyertalk.com/forum/united-airlines-mileageplus/... (If HN has any ideas about what else we should write about, let me know! I'm david AT retool.com)

dvdhsu·185-point thread·

ITA Software (acquired by Google) built its own non-mainframe GDS, and then ARS, which integrated into the legacy mainframe network. If you just look up some of these concepts and protocols, it looks cryptic but doable, but it's harder than it looks, and there's also some less-straightforward opcodes. Although there's documentation, it's not always enough, and consulting experts from IBM was necessary. There was also building regression test suites from captured real-world protocol traffic, to verify that you can…

neilv·132-point thread·

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
319

reference only — not used in Hall rules or ranking

Total comments
95

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2019-09-02The Technology That Changed Air Travelgk120
2020-05-18Technology that changed air travelFirst breakout · Best threadbane18563
2022-09-09The technology that changed air travel (2018)Latest 20+ point returnibobev13232