WN4840 Flight Status Southwest Airlines: Chicago to Portland (SWA4840)

WN 4840 Chicago to Portland Flight Status

Not scheduled today. Latest flight: September 28th, 2026 ; recent history is in the table below.

WN 4840 Flight Status & Schedule Southwest Airlines Chicago to Portland

Date From To Departure Arrival Status Details
Sep 28 MDW PDX 22:52 00:48 Delayed Track >
Sep 26 MDW PDX 18:25 20:20 Landed Track >
Sep 25 MDW PDX 21:12 23:06 Landed Track >
Sep 24 MDW PDX 22:20 00:10 Delayed Track >
Sep 21 MDW PDX 21:37 23:17 Landed Track >
Sep 19 MDW PDX 19:08 20:55 Landed Late Track >
Sep 18 MDW PDX 21:06 22:51 Landed Track >
Sep 17 MDW PDX 22:06 23:55 Landed Late Track >
Sep 14 MDW PDX 21:20 23:22 Landed Track >
Sep 12 MDW PDX 18:54 21:14 Delayed Track >

Southwest Airlines operates WN 4840 from Chicago to Portland, a 2,811 km (1,747 mi) trip. Its timetable allows 4 h 20 min; in practice it usually takes about 3 h 50 min, so it often makes up time. It is not flying today; the last flight was scheduled on 28 September 2026.

< All Chicago MDW Departures All Portland PDX Arrivals >

About WN 4840

Route
Chicago Midway International Airport MDW to Portland International Airport PDX
Distance
2,811 km (1,747 mi)
Typical flight time
3 h 50 min
On time
5 of the last 7
Average delay when late
40 min

WN 4840 FAQ

How long is the WN4840 flight?
The timetable allows 4 h 20 min. Chicago to Portland is 2,811 km (1,747 mi).
How often is WN4840 late?
2 of the last 7 flights arrived 15 or more minutes late; when late, by 40 minutes on average.
What other flight numbers does WN4840 have?
Also listed as SWA4840 (Southwest Airlines' ICAO code) and WN 4840.

WN4840 and Chicago MDW to Portland PDX Flights

Other flights departing from Chicago MDW: WN576, WN1548, WN4451, WN4645

Other flights arriving at Portland PDX: DL2391, WN343

All flights connecting Chicago MDW to Portland PDX.