As reported
Triangle over Reno To Dallas (Aboard Jetliner Enroute Between), TX
A witness account on file, unevaluated. Most of the archive rests here, and honestly so.
The report, as filed
Even though I am a private pilot, I spend every hour of jet flight viewing the earth below. COvered window allowed spotting overtaking
Held as-reported from National UFO Reporting Center. Witness text is preserved verbatim, including its spelling; nothing is edited beyond formatting.