Last updated: Southwest’s January 27, 2026 switch to assigned seating, updated baggage rules following the May 2025 end of universal free checked bags, and added the full 33-route red eye network through summer 2025.

There is something quietly appealing about a near-empty gate at midnight, the kind of stillness that makes a long flight feel less like a chore and more like a shortcut through time. That is the entire pitch behind a red eye flight: trade a few hours of sleep for a full extra day at your destination. Southwest only entered this game in February 2025, which means most of what people think they know about Southwest red eye flights is already out of date. Between then and now, the airline also retired open seating and free checked bags, two details that change how you should actually plan one of these trips. Here is the current picture.

What Is a Southwest Red Eye Flight?

A Southwest red eye flight is an overnight departure, typically leaving between 9 PM and 1 AM, that lands at its destination early the next morning, usually before 7 AM. The name comes from the obvious: passengers tend to step off the plane with tired, reddened eyes after a short night of in-flight sleep.

Southwest launched its first red eye service on February 13, 2025, starting with five routes out of Las Vegas. It was a notable shift for an airline that had never operated overnight flights in its 54-year history, partly because its older reservation system could not handle a flight that departs on one calendar day and lands on the next. By summer 2025, the airline had scaled this up to 33 overnight routes connecting Hawaii and the West Coast to

FeatureDetail
Typical departure window9 PM to 1 AM
Typical arrival windowBefore 7 AM, next day
Launch dateFebruary 13, 2025
Routes by summer 202533 overnight routes
Primary East Coast hubBaltimore/Washington (BWI)
Largest departure hubLas Vegas (LAS)
Aircraft usedBoeing 737-800 and 737 MAX 8

Why Southwest Added Red Eye Flights?

Southwest had resisted overnight flying for decades to keep schedules predictable and avoid paying crews for late-night shifts. That changed under investor pressure after the airline’s profits fell sharply in 2024. Red eye flights let Southwest keep its planes flying during hours they previously sat parked at the gate, which the airline said would add the equivalent of about 18 extra aircraft to its 2025 schedule without buying a single new plane. It is a straightforward efficiency play, and it arrived alongside two other major changes: the end of open seating and the end of free checked bags for most fares.

Current Southwest Red Eye Routes

Southwest’s overnight network has grown in stages since February 2025. The original five routes departed from Las Vegas, Los Angeles, and Phoenix toward Baltimore/Washington, Orlando, Atlanta, and Nashville. By April 2025, the airline had expanded to 20 routes, adding the first Hawaii-to-mainland red eyes from Honolulu and Kona. A second wave of 13 more routes launched June 5, 2025, bringing the total to 33 and adding new departure cities including Seattle, San Francisco, Portland, Sacramento, San Jose, Long Beach, and Ontario, California.

RouteNotes
Las Vegas (LAS) to Baltimore/Washington (BWI)One of the original five, launched February 2025
Las Vegas (LAS) to Orlando (MCO)Original red eye route
Los Angeles (LAX) to Baltimore/Washington (BWI)Original red eye route
Los Angeles (LAX) to Nashville (BNA)Shortest red eye route in the network
Phoenix (PHX) to Baltimore/Washington (BWI)Original red eye route
Honolulu (HNL) to Las Vegas (LAS)First Hawaii red eye, added April 2025
Kona (KOA) to Las Vegas (LAS)Hawaii red eye, added April 2025
Honolulu (HNL) to Los Angeles (LAX)Added in the June 2025 expansion
Lihue (LIH) to Las Vegas (LAS)Added in the June 2025 expansion
Seattle (SEA) to Baltimore/Washington (BWI)Part of the June 2025 expansion
San Francisco (SFO) to Baltimore/Washington (BWI)New route added June 2025
San Francisco (SFO) to Nashville (BNA)New route added June 2025
Long Beach (LGB) to Baltimore/Washington (BWI)New route added June 2025
Sacramento (SMF) to Orlando (MCO)New route added June 2025

Baltimore/Washington International (BWI) has become Southwest’s primary East Coast landing point for red eye traffic, with arrivals from more departure cities than any other airport in the network. Las Vegas remains the busiest departure hub. Because Southwest adjusts its schedule seasonally, always confirm exact routes and dates on Southwest.com before booking, since red eye availability can shift with demand.

How to Find Southwest Red Eye Flights?

Southwest does not label flights as “red eye” inside its own booking tool, so you are filtering by time rather than by name.

  1. Go to Southwest.com or open the app and enter your origin, destination, and travel dates.
  2. On the results page, sort or scan for departures after 9 PM. These are your overnight options.
  3. Prioritize West Coast to East Coast routes, or West Coast and Hawaii routes, since these are where Southwest currently concentrates its overnight schedule.
  4. Stay flexible with dates. Midweek departures, particularly Tuesday and Wednesday nights, tend to have more overnight inventory and softer pricing than weekend red eyes.
  5. Check back periodically, since Southwest has added new red eye routes in stages roughly every few months since the February 2025 launch, and seasonal schedules shift with demand.

Call us at our phone for all your queries related to check in and manage booking.

How to Book a Southwest Red Eye Flight?

Booking a red eye works the same as booking any other Southwest flight, with one important difference from a year ago: you will now select or be assigned a specific seat at booking, since Southwest ended open seating on January 27, 2026.

  1. Search your route and dates on Southwest.com or the mobile app.
  2. Filter results to departures after 9 PM to isolate red eye options.
  3. Choose your fare type. As of 2026, Southwest sells four fare bundles: Basic, Choice, Choice Preferred, and Choice Extra, replacing the older Wanna Get Away and Anytime tiers.
  4. Select your seat. Choice Extra and Choice Preferred fares get priority access to extra-legroom and front-of-cabin seats. Basic fare passengers are assigned a seat at check-in rather than choosing one.
  5. Review baggage rules before paying, since free checked bags are no longer included on every fare (more on this below).
  6. Confirm and pay, or redeem Rapid Rewards points if you are booking with miles.
  7. Download your mobile boarding pass once your seat assignment is confirmed.

Booking three to six weeks ahead generally gets the better red eye fares, and Southwest’s low fare calendar on its site is useful for spotting the cheapest overnight dates on a given route. Call us at our phone for the best flight deals.

Southwest Red Eye Flights 

What Changed: Seating, Baggage, and Boarding

Three of Southwest’s defining features changed within the last year, and all three affect how you should plan a red eye trip.

What changedOld policyCurrent policy (2026)
SeatingOpen seating, claimed after boardingAssigned at booking, based on fare type (since January 27, 2026)
Checked bagsTwo free checked bags on every fareFree only on Choice, Choice Preferred, and Choice Extra fares (since May 28, 2025)
BoardingNumbered stanchion-based boardingEight boarding groups; Extra Legroom and Choice Extra guaranteed Group 2 or earlier
Fare tiersWanna Get Away, Anytime, Business SelectBasic, Choice, Choice Preferred, Choice Extra
Change and cancel feesNoneStill none, unchanged
Rapid Rewards earningStandardStandard, unchanged

What carried over unchanged: Rapid Rewards points still earn and redeem normally on red eye flights, and Southwest still does not charge a fee to change or cancel most fares, which remains one of the airline’s stronger advantages over ultra-low-cost carriers.

How to Get Comfortable on an Overnight Southwest Flight?

Since seats are now assigned rather than claimed on board, your comfort strategy shifts from “get on early and grab a good seat” to “pick the right seat when you book.”

Choose your seat by fare tier. If overnight comfort matters to you, a Choice Preferred or Choice Extra fare gets you a seat with more legroom or a better cabin position, selected at booking rather than left to chance.

– Request a window seat away from the galley.

Choose a seat toward the rear, away from the forward galley and restrooms, for a quieter experience during overnight hours.

Pack your own bedding essentials. Southwest does not provide blankets, pillows, or eye masks on red-eye flights, so bring a neck pillow, light blanket, and eye mask for real rest.

Hydrate and skip caffeine before boarding. Cabin air on overnight flights is dry, and caffeine can interfere with the sleep you are trying to get.

Download entertainment in advance. In-flight Wi-Fi can be inconsistent on overnight departures, so load movies, podcasts, or music before you board.

Use the overhead bin fully. Stowing carry-ons overhead rather than underfoot gives you more legroom to actually rest.

The Bottom Line

Southwest’s move into overnight flying is barely a year old, and the airline has already reshaped two other parts of the experience around it. If you are booking a Southwest red eye in 2026, plan around assigned seating, confirm your fare’s baggage allowance, and treat the route map as something that is still actively expanding. Check Southwest.com directly before locking in dates, since red eye schedules have shifted in stages since launch and are likely to keep growing as the airline adds more aircraft to overnight service. Call us at our phone for our best flight deals and southwest cancellations and refunds.

Frequently Asked Questions

When did Southwest start red eye flights?

Southwest began red eye flights on February 13, 2025, starting with five routes from Las Vegas. The network expanded to 20 routes by April 2025 and 33 routes by summer 2025.

Are Southwest red eye flights cheaper than daytime flights?

Often, yes. Red eye fares can run lower than daytime flights on the same route, particularly midweek, since demand for overnight departures is generally softer than for daytime travel.

Does Southwest still have open seating on red eye flights?

No. Southwest ended open seating across its entire network, including red eyes, on January 27, 2026. Seats are now selected or assigned based on fare type. Call us at our phone for further queries related to flight change and bookings.

Are checked bags still free on Southwest red eye flights?

Only on Choice, Choice Preferred, and Choice Extra fares. Southwest ended its universal two-free-checked-bags policy on May 28, 2025, and Basic fare passengers should expect checked bag fees.

Does Southwest fly red eyes to Hawaii?

Yes. Southwest operates overnight flights between Hawaii and the U.S. mainland, including Honolulu to Las Vegas, Honolulu to Los Angeles, Kona to Las Vegas, and Lihue to Las Vegas.

Can I use Rapid Rewards points to book a red eye flight?

Yes. Rapid Rewards points work the same way on red eye flights as on any other Southwest flight, and overnight routes occasionally offer favorable redemption value during lower-demand periods.

Is there a fee to change a Southwest red eye flight?

No. Southwest does not charge change fees on its standard fares, which remains true for red eye flights as well as daytime ones.