How early should I get to MKE?
Milwaukee Mitchell International Airport, Milwaukee, WI · Checked Oct 26, 2026
The short answer
MKE's website does not publish an arrival time. TSA's Wisconsin assistant federal security director advised arriving 90 minutes before departure, and earlier for early-morning flights, because the checkpoints are at capacity in the early morning (Milwaukee Journal Sentinel, Dec 2025)
Those are blanket rules. Your real number depends on your terminal, the time of day, traffic from your door, and whether you have PreCheck or a bag. Leave By works out your exact leave time.
Source: yahoo.com
Security lines at MKE
MKE does not publish typical wait times or peak hours. In TSA's hourly screening counts for Sep 13-19, 2026, MKE was busiest from 4am to 7am, peaking 5-6am. Traffic dipped from 7 to 8am, then stayed fairly steady from 9am to 2pm, with another rise from 4 to 5pm. It was light after 6pm. Thursday, Monday, Sunday and Friday were the busiest days that week; Saturday and Tuesday were the quietest.
Busiest times: 4:00-7:00am (peak 5:00-6:00am), 9:00am-2:00pm, 4:00-5:00pm, Thursdays, Mondays, Sundays and Fridays (TSA counts, week of Sep 13, 2026).
Nationally, TSA checkpoints are busiest from 5 to 7 AM local time. See TSA's hourly numbers and the busiest days to fly.
TSA PreCheck: CLEAR's MKE page lists TSA PreCheck lanes at both the Concourse C and Concourse D checkpoints. The PreCheck hours on that page conflict, so check before you go. You can enroll in PreCheck without an appointment at the CLEAR kiosk at MKE: 6am-6pm Sunday-Thursday and 6am-5:30pm Friday-Saturday.
CLEAR: Available at this airport (see terminals below for which checkpoints).
Touchless ID: TSA rolled out PreCheck Touchless ID at MKE in August 2026 (CBS 58, Aug 12, 2026), and Delta lists MKE as a Touchless ID airport. You need active PreCheck and an airline profile with valid passport details; opt in through a participating airline or Google Wallet. Carry your physical ID in case an officer asks for it. The checkpoints with Touchless ID lanes were not published.
Terminals and checkpoints
Main Terminal (Concourses C and D)
Southwest Airlines, United Airlines, Sun Country Airlines, American Airlines, Delta Air Lines, Alaska Airlines, Frontier Airlines, JetBlue
- Check-in counters are on the Ticketing & Check-In level; gates, security, shops and dining are on the upper level
- Premium Bag Check (launched July 2026): drop checked bags near the Airport Information Desk instead of the airline counter, 3am-11am daily, for Southwest, American, Delta and Frontier. It costs $4 per bag plus airline bag fees.
- International flights depart from the Main Terminal. Arriving international flights (except Toronto) use the separate International Arrivals Terminal.
- Coat check (Nov 1-Apr 1) is in the Summerfest Marketplace store before security: $2 per day, $10 maximum
Between terminals: Single terminal with two concourses, each with its own checkpoint. MKE says that if you connect from an airline on one concourse to an airline on the other, you are screened at the checkpoint of your departure concourse. Use the checkpoint for your airline's concourse.
Terminals are not connected after security. Go to the right terminal the first time.
Getting to MKE
Rideshare and taxi: Drop-off is on the Departures (Ticketing) curb; drivers must stay with the vehicle. Uber and Lyft pickup is near Baggage Claim Carousel 2; follow the signs. Taxis pick up outside Baggage Claim 3, across the roadway behind the rental car area. The curbs are for active loading only. Hourly Parking is free for up to 30 minutes, and the free Cell Phone Lot is just south of the parking structure.
Transit: MCTS GreenLine runs from the airport through downtown to Bayshore; weekday departures from the airport run from about 3:53am to 12:51am. MCTS Route 80 runs to downtown Milwaukee and stops on the Ticketing curb near the American/United entrance. Fare: $2.75 with a WisGo card or the Umo app, capped at $8.25 a day; cash riders need exact change. Amtrak Hiawatha and Borealis trains stop at the Milwaukee Airport Rail Station; take any Saver Parking shuttle from Baggage Claim Door 5 (free, every 5-10 minutes, 24 hours).
Driving and parking: Hourly garage section (floors 3 and 4): $2/hour, $27/day, first 30 minutes free. Daily garage section: $2/hour, $18/day. Surface Lot (south of the garage, walkable, for tall vehicles): $2/hour, $18/day. Saver Lot (Air Cargo Way): $11/day, with free shuttles every 5-10 minutes, 24 hours, that pick you up at your car; credit card only. Valet: $28/day, on the left side of the Ticketing roadway. You can book parking on MKE's website, and the MKE SmartPark app lets you enter and exit by phone.
Construction and changes in 2026
- Concourse E redevelopment: MKE began rebuilding the former Concourse E in September 2025 as a two-gate domestic/international concourse joined to the main terminal. It is due to open in late 2027.
- Because of that project, the MCTS GreenLine skips the Cell Phone Lot stop (7168) and lays over near Baggage Claim (stop 7162) from Aug 24, 2026 to mid-2027. Board at stop 7162.
- Ticketing Refresh: new entrance vestibules, flooring and lighting in the ticketing hall. MKE says it began in early 2026 and should finish by the end of the year.
Checking a bag
Southwest: check bags at least 45 minutes before a domestic flight (60 minutes for international); check in at least 30 minutes before; be at the gate 10 minutes before departure. Delta: bags 45 minutes before domestic departure, 30 minutes without bags; Delta lists no MKE exception. American and United: check in and check bags 45 minutes before domestic departure. Alaska: 50 minutes for domestic flights (AP, May 2025).
MKE tips first-timers miss
- Go to the checkpoint for your airline's concourse. C is Southwest, United and Sun Country; D is Delta, American, Alaska, Frontier and JetBlue. You cannot walk between C and D after security.
- Early morning is the busiest time. In TSA's September 2026 counts, 4-7am was the peak, especially 5-6am, and TSA's Wisconsin director says to come earlier for early flights.
- Flying Southwest, American, Delta or Frontier with bags before 11am? Premium Bag Check near the Airport Information Desk skips the airline counter for $4 per bag.
- Saver Parking is $11/day, and its shuttle picks you up at your car
- From Nov 1 to Apr 1, you can leave your winter coat at the coat check before security for $2 per day
Leaving for MKE?
Pick your flight and where you're starting. Leave By checks live traffic, security lines and your terminal, and tells you the minute to walk out the door.
Free. No account.
Questions travelers ask
How early should I get to Milwaukee Mitchell airport (MKE)?
MKE does not publish an arrival time. TSA's Wisconsin director advised at least 90 minutes before departure, and earlier for early-morning flights. Southwest, Delta, American and United need bags checked 45 minutes before a domestic flight.
Which concourse is Southwest at MKE?
Concourse C, Gates C18-C25. United and Sun Country also use Concourse C. Delta, American, Alaska, Frontier and JetBlue use Concourse D.
Can I walk between Concourse C and D after security at MKE?
No. Each concourse has its own checkpoint. MKE says you are screened at the checkpoint of the concourse you depart from.
Does MKE have TSA PreCheck, CLEAR and Touchless ID?
Yes. CLEAR's site lists CLEAR+ and PreCheck lanes at both the C and D checkpoints. TSA rolled out PreCheck Touchless ID at MKE in August 2026.
Is there a bus or train to MKE?
Yes. MCTS GreenLine and Route 80 serve the terminal ($2.75 with WisGo or Umo). Amtrak Hiawatha and Borealis trains stop at the airport rail station, linked by a free shuttle.
Sources
- MKE - General Information (gates by airline, connecting between concourses, coat check)
- MKE - Interactive Terminal Guide (airlines by concourse)
- MKE - Airport master map 2026 (PDF)
- MKE - Security/TSA (PreCheck, CLEAR enrollment)
- MKE - Airlines
- MKE - Parking (rates, pick-up and drop-off rules)
- MKE - Ground Transportation (rideshare, taxis, MCTS, Amtrak)
- MKE - Concourse E Redevelopment Project
- MKE - Airport Projects (Ticketing Refresh)
- MKE - News release: Premium Bag Check launches (Jul 9, 2026)
- MKE - Air Traffic Report, September 2026 (PDF)
- CLEAR - Milwaukee Mitchell CLEAR locations and hours
- CBS 58 - Milwaukee airport rolls out TSA PreCheck Touchless ID (Aug 12, 2026)
- Delta - TSA PreCheck Touchless ID (participating airports)
- TSA - PreCheck Touchless ID
- Milwaukee Journal Sentinel via Yahoo - Tips for Milwaukee Mitchell holiday travelers (Dec 19, 2025)
- Chase - A guide to Milwaukee Mitchell Airport (two checkpoints, upper level)
- MCTS - GreenLine (airport stop change during Concourse project)
- MCTS - Fares
- Wikipedia - Milwaukee Mitchell International Airport
- TSA throughput data, September 13-19, 2026
- Southwest - When to arrive for your flight (check-in and bag deadlines)
- Delta - Check-In Times at U.S. Airports
- AP via MyNorthwest - United narrows check-in window; airline comparison (May 27, 2025)
Airport conditions change. Always follow your airline's check-in and bag-drop deadlines.