WN 1278 Chicago to Jacksonville Flight Status

Southwest Airlines Flight WN1278 from Chicago Midway International Airport MDW to Jacksonville International Airport JAX is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 1st, 2025.
Check the table below for WN1278's most recent flight history:

WN 1278 Flight Status & Schedule

Date Departure Arrival Status
Jun 01 11:42 14:25
Landed
Track >

Southwest Airlines WN 1278 Chicago to Jacksonville Flight Information

Southwest Airlines Flight WN1278 connects Chicago, United States to Jacksonville, United States, taking off from Chicago Midway International Airport MDW and landing at Jacksonville International Airport JAX.

How long is the WN1278 flight from Chicago to Jacksonville?

The average flight time from Chicago to Jacksonville is 1 hour and 43 minutes. The flight distance is 1368 km / 850 miles and the average flight speed is 797 km/h / 495 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1278 Chicago to Jacksonville?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1278 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN1278 flight?

The latest flight took off on Sunday, June 1st, 2025 with the flight status being Landed on 14:25.

How else can the flight WN1278 be referenced as?

This Southwest Airlines flight can also be referenced as SWA1278, WN 1278, SWA 1278.

How often is flight WN1278 delayed?

On average, 0% of all WN1278 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN1278 flight or baggage issues?

If your WN1278 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our WN1278 Flight Tracker above for more details.

Southwest Airlines WN1278 News

WN1278 and Chicago MDW to Jacksonville JAX Flights

This is a multi leg flight of Southwest Airlines WN1278. Previous leg is Kansas City to Chicago

Other flights departing from Chicago MDW: WN2300, WN1587, WN1206, WN1308

Other flights arriving at Jacksonville JAX: G42751, WN3530, WN2176, WN2890

All flights connecting Chicago MDW to Jacksonville JAX.

WN1278 Southwest Airlines Flight: Chicago to Jacksonville Route Map

WN1278 Southwest Airlines Flight Map: Chicago to Jacksonville
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.