Skip to content

Flights Chicago → Chattanooga

ORD → CHA

1h 26m
Flight time (est.)
29.4
Average risk (Medium)
73%
On-time
21 min
Average delay
4.5%
Cancellations
1
Airlines

How long is the flight from Chicago to Chattanooga?

The flight from Chicago (ORD) to Chattanooga (CHA) takes about 1h 26m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.

Route overview

The flight route from Chicago to Chattanooga operates with an average on-time performance rate of 72%, with flights typically experiencing a mean delay of 21.8 minutes. Over the course of a year, this route sees approximately 468 flights using Embraer RJ145 and RJ140 aircraft, serving an airport that handles around 836,986 passengers annually.

Your rights on this US flight (DOT)

US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.

US flight refund rules & checker →

General information, not legal advice.

The Chicago (ORD) → Chattanooga (CHA) route is operated by American Airlines. Across 1076 flights monitored in recent months, 73% arrived on time (within 15 min of schedule), with an average delay of 21 minutes. The cancellation rate is 4.55%. FlightGuard's average computed risk is 29.4/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Chattanooga the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Chicago the average ATFM delay is 5.5 minutes.

Heading to Chattanooga: what to expect in this direction

Flying from Chicago (ORD) to Chattanooga (CHA) heads south for about 807 km, a flight time of roughly 1h 26m.

Departures from Chicago on this leg cluster in the midday window: about 36% of ORD-CHA flights take off then.

Air-traffic congestion: departing Chicago the average ATFM delay is 5.5 min (atfm); arriving into Chattanooga it is 5.5 min (atfm).

Across 1,076 tracked ORD-CHA flights, 73% left on time with an average delay of 21 min and a 4.5% cancellation rate.

Route facts

Time difference
1h ahead
Arrival (dest. local time)
09:26
Elevation CHA
683 ft
Typical aircraft
Embraer RJ145, Embraer RJ140
Est. CO₂/passenger
~105 kg

Flexible on this trip? Compare flights

Airline punctuality on this route

Airline On-time Average delay Cancellations
American Airlines (AA) 79% 6 min 1.1%

Airlines operating ORD-CHA

Frequently asked questions about ORD-CHA

The flight from Chicago (ORD) to Chattanooga (CHA) takes about 1h 26m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.

On the Chicago (ORD) -> Chattanooga (CHA) route, on-time performance is 73% with an average delay of 21 minutes, based on 1076 tracked flights.

The cancellation rate on Chicago-Chattanooga is 4.55% across 1076 monitored flights.

The route is operated by 1 airline: American Airlines.

Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Chattanooga, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.

US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.