Eastman Chemical returns to Kingsport after a week of business travel, just as the company releases its sustainability report.

Eastman Chemical flew from Moders Airport in Illinois to the Tri-Cities area on June 3, 2026, a 1-hour 33-minute hop in its Gulfstream G450, tail N494EC. The aircraft reached 33,025 feet and a top speed of 488 knots before landing near Kingsport, Tennessee, the company's home base.

The same week, Eastman Chemical released its annual sustainability report, per a company press release, outlining progress on recycling initiatives and greenhouse gas targets. The timing of the flight suggests senior executives, likely including CEO Mark Costa, returned to headquarters to review the report's rollout and prepare for investor calls.

The trip capped a busy few days for the G450. On June 3, it also flew from an area near Colorado to the St. Louis region, and on May 31 it traveled from Alabama to Colorado. That pattern points to a multi-city business swing before heading back to Tennessee for a key corporate milestone.