Vantage research · November 2026 · travel
What AI cites for “how to avoid jet lag”
ChatGPT cited 1 site, Gemini cited 0 sites, Perplexity cited 8 sites. No site was cited by all three.
Updated every 3 monthsNext edition 1 February 2027
ChatGPTGeminiPerplexity dots beside a site: the other engines that cite it too
ChatGPT
1 site · opens with a sentence · has a table · opening 30 words
- cdc.gov
Brands namedSleep 7
Since October: dropped nhs.uk
Gemini
0 sites · opens with a sentence · no table · opening 37 words
Answered from what the model already knows: no sites cited.
Brands namedBefore You Leave, Shift Your Schedule Gradually, Hydrate Well, During the Flight, Reset Your Watch Immediately, Upon Arrival, Chase the Sun
Same sites as October.
Perplexity
8 sites · opens with a sentence · no table · opening 4 words
- mayoclinic.org
- cdc.gov
- health.harvard.edu
- my.clevelandclinic.org
- wwwnc.cdc.gov
- healthline.com
- medlineplus.gov
- sleepfoundation.org
Brands namedArrive 1
Since October: new wwwnc.cdc.gov, healthline.com; dropped aarp.org, betterhealth.vic.gov.au, pmc.ncbi.nlm.nih.gov
Cited by more than one engine
- cdc.gov
Is your site one of them?
Ask your AI agent to run Vantage's analyze_citation_coverage for your domain and “how to avoid jet lag”, on all
three engines, and it will tell you whether you are cited, who is instead, and what changed since your last check.
More travel questions
Each engine was asked once, in English, as from the United States, on 2026-11-01. Answers change from run to run, so read this as a snapshot. Download the data.