Flights JL777 06:30 Fr
Direct flights from Chicago/Romeoville (LOT) to St Louis (STL): 1 nonstop departure observed each week across 1 airline. The nonstop covers 372 km, an estimated 59 minutes in the air. Measured by Pro Flight Search from live flight boards at Chicago/Romeoville and St Louis. Updated 13 September 2026 at 03:06 UTC.
route health from live LOT and STL delay boards
The week
scheduled departures · origin local timeEach mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysAirports right now
live boardsnext sweep in 120s
How the Chicago/Romeoville to St Louis route actually runs
Pro Flight Search records official board updates for nonstop LOT to STL flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — Chicago/Romeoville (LOT) to St Louis (STL) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/LOT-STL
LOT to STL questions
Is LOT–STL running on time right now?
Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.
How long is the flight from LOT to STL?
Great-circle distance is 372 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 56–62 min gate-to-gate on this route.
How often does LOT–STL fly?
Jet Linx Aviation runs the route with about 1 flight a week (fri). Since one carrier owns the route, a single disruption tends to ripple through the day.
What does the route health score measure?
A blend of departure-side delay at LOT and arrival-side delay at STL, computed from rolling delay windows (refreshed every 40 minutes) with a daily-rollup fallback. Current MVFR, IFR, or LIFR endpoint weather caps the score when flight rules can limit throughput. Higher is healthier: 100 means operations are clean at both ends.