AA3873 Flight Status American Airlines: Chicago to Rochester (AAL3873)

AA 3873 Chicago to Rochester Flight Status

Not scheduled today. Latest flight: May 20th, 2026 ; recent history is in the table below.

AA 3873 Flight Status & Schedule American Airlines Chicago to Rochester

Date From To Departure Arrival Status Details
May 20 ORD ROC 21:30 23:37 Landed Track >
May 19 ORD ROC 21:23 23:38 Landed Track >
May 18 ORD ROC 21:38 23:50 Landed Track >
May 17 ORD ROC 22:01 00:14 Landed Late Track >
May 16 ORD ROC 20:53 23:07 Landed Track >
May 15 ORD ROC 21:00 23:12 Landed Track >
May 14 ORD ROC 21:04 23:24 Landed Track >
May 13 ORD ROC 20:54 23:11 Landed Track >
May 12 ORD ROC 21:33 23:40 Landed Track >
May 11 ORD ROC 21:18 23:29 Landed Track >

American Airlines flight AA 3873 links Chicago and Rochester, 847 km (526 mi) apart. Its timetable allows 1 h 58 min; in practice it usually takes about 1 h 15 min, so it often makes up time. It is not flying today; the last flight, on 20 May 2026, landed on time.

< All Chicago ORD Departures All Rochester ROC Arrivals >

About AA 3873

American Airlines Flight AA3873 connects Chicago, United States to Rochester, United States, taking off from Chicago O'Hare International Airport ORD and landing at Rochester International Airport ROC.

Route
Chicago O'Hare International Airport ORD to Rochester International Airport ROC
Distance
847 km (526 mi)
Typical flight time
1 h 15 min
On time
9 of the last 10
Average delay when late
36 min
Usually departs from
Terminal 3

AA 3873 FAQ

How long is the AA3873 flight from Chicago to Rochester?
The timetable allows 1 h 58 min. Chicago to Rochester is 847 km (526 mi).
How often is AA3873 from Chicago to Rochester late?
1 of the last 10 flights arrived 15 or more minutes late; when late, by 36 minutes on average.
When was the latest AA3873 flight from Chicago to Rochester?
The latest AA3873 was the 20:40 (local time) departure from Chicago on 20 May 2026; it landed 1 minute early.
Which terminal does AA3873 use?
It usually leaves from Terminal 3 at Chicago O'Hare International Airport (ORD). Check the flight card above for today's terminal and gate.
What other flight numbers does AA3873 have?
Also listed as AAL3873 (American Airlines' ICAO code) and AA 3873.

AA3873 and Chicago ORD to Rochester ROC Flights

Flight AA3873 is code-shared by 4 airlines using the flight numbers AS4738, AY5686, BA5300, QR7592

Other flights departing from Chicago ORD: AA3547, AA4685

Other flights arriving at Rochester ROC: AA5903, UA3483, AA5609, UA4872

All flights connecting Chicago ORD to Rochester ROC.