AS4177 Flight Status Alaska Airlines: Chicago to Buffalo (ASA4177)

AS 4177 Chicago to Buffalo Flight Status

Not scheduled today. Latest flight: August 4th, 2026 ; recent history is in the table below.

AS 4177 Flight Status & Schedule Alaska Airlines Chicago to Buffalo

Date From To Departure Arrival Status Details
Aug 04 ORD BUF 22:06 00:13 Landed Track >
Aug 03 ORD BUF 06:00 23:59 Unknown Track >
Aug 02 ORD BUF 07:30 23:59 Unknown Track >
Aug 01 ORD BUF 22:42 00:46 Landed Late Track >
Jul 31 ORD BUF 22:26 00:36 Landed Late Track >
Jul 30 ORD BUF 21:38 23:47 Landed Track >
Jul 29 ORD BUF 22:47 00:48 Delayed Track >
Jul 28 ORD BUF 21:19 23:59 Cancelled Track >
Jul 27 ORD BUF 21:19 23:59 Cancelled Track >
Jul 26 ORD BUF 21:33 23:44 Landed Track >

Alaska Airlines flight AS 4177 links Chicago and Buffalo, 760 km (472 mi) apart. The timetable allows 1 h 40 min, but the flight usually takes about 1 h 10 min, so it often makes up time. It is not flying today; the last flight, on 4 August 2026, landed on time.

< All Chicago ORD Departures All Buffalo BUF Arrivals >

About AS 4177

Route
Chicago O'Hare International Airport ORD to Buffalo Niagara International Airport BUF
Distance
760 km (472 mi)
Typical flight time
1 h 10 min
On time
3 of the last 7
Average delay when late
34 min
Usually departs from
Terminal 3

AS 4177 FAQ

How long is the AS4177 flight?
The timetable allows 1 h 40 min. Chicago to Buffalo is 760 km (472 mi).
How often is AS4177 late?
2 of the last 7 flights arrived 15 or more minutes late and 2 were cancelled; when late, by 34 minutes on average.
Which terminal does AS4177 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 AS4177 have?
Also listed as ASA4177 (Alaska Airlines' ICAO code) and AS 4177.

AS4177 and Chicago ORD to Buffalo BUF Flights

Flight AS4177 is a code-share Alaska Airlines flight of the American Airlines operated AA403.

Other flights departing from Chicago ORD: AA403, MQ3895, YX4640

Other flights arriving at Buffalo BUF: MQ4131, AA403, YX3516

All flights connecting Chicago ORD to Buffalo BUF.