As reported
Changing over Miami To St. Paul (Approx. 20 Minutes North Of), IL
A witness account on file, unevaluated. Most of the archive rests here, and honestly so.
The report, as filed
UFO Encounter on an Airline Flight approx. 20 minutes northwest of Chicago.
Held as-reported from National UFO Reporting Center. Witness text is preserved verbatim, including its spelling; nothing is edited beyond formatting.