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ATIS Alerts Smart Flight Search

Find the flight least likely to be delayed

Beta

We rank real flight numbers by how often they flew and arrived on time over the last 12 months, adjusted for your travel month and departure time, then check nearby airports and calmer connections. US airlines and airports.

MKE → BWI

Milwaukee to Baltimore: 836 nonstop flights a year

On time (12 months)

85%

Cancelled

1.9%

avg delay 11 min

Best time to leave

Before 9 AM

93% on time vs 58% 6 to 9 PM

Most reliable airline

Southwest

83% chance on time

Check MKE to BWI fares

Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Best trips

6 nonstop, 35 with 1 connection. Best overall weighs the chance you arrive on time as booked, connection odds, travel time and separate tickets.

  1. Best overall#1 · Nonstop · 1h 50m

    7:10 AM → 10:00 AM

    91%

    arrive on time

    7:10 AM MKE → 10:00 AM BWI1h 50m

    Southwest 3436

    Boeing 737-700 or 737 MAX 8 · 1–22 yrs old
    92% on time · 1.5% cancel
    Find Southwest 3436 fares Opens this date on Aviasales

  2. #2 · Nonstop · 1h 55m

    6:50 AM → 9:45 AM

    90%

    arrive on time

    6:50 AM MKE → 9:45 AM BWI1h 55m

    Southwest 2202

    Boeing 737-700 · 17–22 yrs old
    92% on time · 2.3% cancel
    Find Southwest 2202 fares Opens this date on Aviasales

  3. #3 · Nonstop · 1h 50m

    2:15 PM → 5:05 PM

    87%

    arrive on time

    2:15 PM MKE → 5:05 PM BWI1h 50m

    Southwest 3218

    Boeing 737-700 · 15–22 yrs old
    89% on time · 1.8% cancel
    Find Southwest 3218 fares Opens this date on Aviasales

  4. #4 · Nonstop · 1h 50m

    3:30 PM → 6:20 PM

    87%

    arrive on time

    3:30 PM MKE → 6:20 PM BWI1h 50m

    Southwest 3437

    Boeing 737-800 or 737 MAX 8 · 1–12 yrs old
    88% on time · 1.5% cancel
    Find Southwest 3437 fares Opens this date on Aviasales

  5. #5 · Nonstop · 1h 50m

    2:40 PM → 5:30 PM

    85%

    arrive on time

    2:40 PM MKE → 5:30 PM BWI1h 50m

    Southwest 1445

    Boeing 737-700 · 18–21 yrs old
    86% on time · 1.8% cancel
    Find Southwest 1445 fares Opens this date on Aviasales

  6. #6 · Nonstop · 1h 45m

    4:20 PM → 7:05 PM

    79%

    arrive on time

    4:20 PM MKE → 7:05 PM BWI1h 45m

    Southwest 682

    Boeing 737 MAX 8 or 737-800 · 4–22 yrs old
    81% on time · 1.7% cancel
    Find Southwest 682 fares Opens this date on Aviasales

  7. #7 · 1 connection · 4h 58m · one ticket

    5:10 AM → 11:11 AM

    88%

    connections made

    77%

    arrive on time

    5:10 AM MKE → 6:19 AM ORD1h 06m

    SkyWest 5799 · sold as United Express, Delta Connection, American Eagle or Alaska · also flew as 4973

    Embraer E175 or Bombardier CRJ700 · 7–23 yrs old
    86% on time · 2.7% cancel
    Connect in ORD · 1h 46m · 92% chance to make it · same ticket: the airline rebooks you if you miss it

    8:05 AM ORD → 11:11 AM BWI2h 06m

    Republic 4693 · sold as American Eagle, Delta Connection or United Express

    Embraer E175 · 12–19 yrs old
    88% on time · 2.3% cancel
    Find this one-ticket trip Look for SkyWest 5799 + Republic 4693 on Aviasales

  8. #8 · 1 connection · 3h 55m · one ticket (Delta)

    6:45 AM → 11:39 AM

    76%

    connections made

    68%

    arrive on time

    6:45 AM MKE → 8:58 AM DTW1h 14m

    SkyWest 3757 · sold as Delta Connection

    Bombardier CRJ900 · 7–20 yrs old
    73% on time · 1.1% cancel
    Connect in DTW · 1h 12m · 78% chance to make it · same ticket: the airline rebooks you if you miss it

    10:10 AM DTW → 11:39 AM BWI1h 29m

    Delta 1392

    Boeing 717 · 24–27 yrs old
    90% on time · 1.6% cancel
    Find this Delta trip Look for SkyWest 3757 + Delta 1392 on Aviasales

  9. #9 · 1 connection · 5h 11m · one ticket

    5:00 AM → 11:11 AM

    82%

    connections made

    72%

    arrive on time

    5:00 AM MKE → 6:14 AM ORD1h 14m

    SkyWest 6358 · sold as United Express, Delta Connection, American Eagle or Alaska · also flew as 5619, 6370

    Bombardier CRJ700 · 21–25 yrs old
    73% on time · 3.2% cancel
    Connect in ORD · 1h 51m · 87% chance to make it · same ticket: the airline rebooks you if you miss it

    8:05 AM ORD → 11:11 AM BWI2h 06m

    Republic 4693 · sold as American Eagle, Delta Connection or United Express

    Embraer E175 · 12–19 yrs old
    88% on time · 2.3% cancel
    Find this one-ticket trip Look for SkyWest 6358 + Republic 4693 on Aviasales

  10. #10 · 1 connection · 6h 14m · one ticket (Delta)

    9:35 AM → 4:49 PM

    95%

    connections made

    74%

    arrive on time

    9:35 AM MKE → 11:45 AM DTW1h 10m

    Delta 1446 · also flew as 1134, 1049

    Boeing 717 · 20–27 yrs old
    89% on time · 1.5% cancel
    Connect in DTW · 3h 35m · 98% chance to make it · same ticket: the airline rebooks you if you miss it

    3:20 PM DTW → 4:49 PM BWI1h 29m

    Delta 2480

    Boeing 717 · 21–27 yrs old
    77% on time · 1.2% cancel
    Find this Delta trip Look for Delta 1446 + Delta 2480 on Aviasales

Aircraft and ages come from the planes each flight number actually flew in the last 3 months of data (FAA registry build years); airlines can swap planes.

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Southwest Airlines83%

    825 flights · 85% on time as flown · 1.9% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • Before 9 AM93%

    323 flights · avg delay 7 min

  • 9 AM to noon90%

    81 flights · avg delay 5 min

  • Noon to 3 PM91%

    183 flights · avg delay 5 min

  • 3 to 6 PM73%

    151 flights · avg delay 19 min

  • 6 to 9 PM58%

    98 flights · avg delay 31 min

Best day: Wednesday (88%). Worst: Sunday (80%).

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure