United AirlinesUA71% on time
Flights UA5819 08:45 daily · UA5844 12:40 daily · UA5439 15:59 Mo Tu We Th Fr Su · UA5842 21:30 daily
live
Direct flights from Chicago (ORD) to Duluth (DLH): 7 nonstop departures observed each week across 1 airline. 71% of the last 7 operated flights arrived within 15 minutes of schedule. The median arrival is 6 minutes late. 1 of the 7 tracked flights was cancelled. The nonstop covers 639 km, an estimated 1 hour 19 minutes in the air. Measured by Pro Flight Search from live flight boards at Chicago and Duluth. Updated 18 September 2026 at 23:02 UTC.
ORD
Chicago
smooth · +5
DLH
Duluth
tracking
639 km · ~1h 19m est.
Runs mixed · 1 airline · 7x weekly · nonstop
71% on time
of the last 7 operated ORD → DLH flights arrived within 15 minutes
Median arrival delay is +6 min. 1 of 7 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+6 minacross the last 7 operated legs
Flight time~1h 19mestimated from route distance
Weekly departures7x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
United Airlines
Each 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 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsnext sweep in 120s
How the Chicago to Duluth route actually runs
Pro Flight Search records official board updates for nonstop ORD to DLH 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
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Chicago (ORD) to Duluth (DLH) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/ORD-DLH
ORD to DLH questions
Is ORD–DLH running on time right now?
Some delays possible. The departure side at ORD is the weaker end, route health score 66/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on ORD–DLH?
Operators schedule morning departures around 08:45 and evening departures around 21:30 from ORD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DLH delay card to confirm conditions when you'd arrive.
How long is the flight from ORD to DLH?
Great-circle distance is 639 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 75–85 min gate-to-gate on this route.
How often does ORD–DLH fly?
United Airlines runs the route with about 27 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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