ORD → CHAChicago to Chattanooga

live

Direct flights from Chicago (ORD) to Chattanooga (CHA): 14 nonstop departures observed each week across 2 airlines. 60% of the last 5 operated flights arrived within 15 minutes of schedule. The median arrival is 4 minutes late. No cancellations were recorded across the 5 tracked flights. The nonstop covers 807 km, an estimated 1 hour 32 minutes in the air. Measured by Pro Flight Search from live flight boards at Chicago and Chattanooga. Updated 18 October 2026 at 10:51 UTC.

Today, ORD → CHA

Sun 18 Oct · local times
  1. 06:50 UA5437United Airlines On scheduleGate B23 · T1 ·
  2. 10:30 UA4397United Airlines On scheduleGate E9 · T2 ·
  3. 15:40 UA4536United Airlines On scheduleGate F22 · T2 ·
  4. 21:05 AA3851American Airlines Sched 21:05Departure not confirmed by the board ·
  5. 21:20 UA4523United Airlines Sched 21:20Departure not confirmed by the board ·

Checked ORD board 05:51

ORD Chicago smooth · +0
CHA Chattanooga tracking
807 km · ~1h 32m est.
dep bank 06:50–21:2014x weekly
Runs mixed · 2 airlines · 14x weekly · nonstop
60% on time

of the last 5 operated ORD → CHA flights arrived within 15 minutes

Median arrival delay is +4 min. 0 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+4 minacross the last 5 operated legs
Flight time~1h 32mestimated from route distance
Weekly departures14x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
American AirlinesUnited 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 days
American AirlinesAA

Flights AA3851 21:05 daily

History

operated legs · board outcomes
10-17AA3851departed+36
10-17UA4397departed+4
10-17UA4523departed−3
10-17UA4536departed+46
10-17UA5437departed−10

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
ORDChicago +0 min smooth 🌤 clear · SSW 8 kt Full ORD delay board →
CHAChattanooga tracking Full CHA delay board →

How the Chicago to Chattanooga route actually runs

Pro Flight Search records official board updates for nonstop ORD to CHA 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 Chattanooga (CHA) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/ORD-CHA
How we measure this →

ORD to CHA questions

Is ORD–CHA 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.

Morning or evening flight on ORD–CHA?

Operators schedule morning departures around 06:50 and evening departures around 21:05 from ORD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CHA delay card to confirm conditions when you'd arrive.

How long is the flight from ORD to CHA?

Great-circle distance is 807 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 87–99 min gate-to-gate on this route.

How often does ORD–CHA fly?

2 carriers operate this route, around 35 flights a week between them. Compare carrier days and times in the airline list above.