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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.

BWI → CLE

Baltimore to Cleveland: 969 nonstop flights a year

On time (12 months)

76%

Cancelled

2.0%

avg delay 15 min

Best time to leave

9 AM to noon

83% on time vs 65% after 9 PM

Most reliable airline

Southwest

74% chance on time

Check BWI to CLE fares

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

Best trips

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

  1. Best overall#1 · Nonstop · 1h 20m

    10:40 AM → 12:00 PM

    82%

    arrive on time

    10:40 AM BWI → 12:00 PM CLE1h 20m

    Southwest 1888

    Boeing 737-800 or 737 MAX 8 · 3–14 yrs old
    83% on time · 1.5% cancel
    Find Southwest 1888 fares Opens this date on Aviasales

  2. #2 · Nonstop · 1h 20m

    10:25 AM → 11:45 AM

    82%

    arrive on time

    10:25 AM BWI → 11:45 AM CLE1h 20m

    Southwest 1456

    Boeing 737-800 or 737-700 · 3–21 yrs old
    83% on time · 1.6% cancel
    Find Southwest 1456 fares Opens this date on Aviasales

  3. #3 · Nonstop · 1h 25m

    5:50 PM → 7:15 PM

    78%

    arrive on time

    5:50 PM BWI → 7:15 PM CLE1h 25m

    Southwest 2211

    Boeing 737-700 · 19–23 yrs old
    79% on time · 1.8% cancel
    Find Southwest 2211 fares Opens this date on Aviasales

  4. #4 · Nonstop · 1h 20m

    11:10 AM → 12:30 PM

    75%

    arrive on time

    11:10 AM BWI → 12:30 PM CLE1h 20m

    Southwest 509

    Boeing 737 MAX 8 · 1–9 yrs old
    77% on time · 1.9% cancel
    Find Southwest 509 fares Opens this date on Aviasales

  5. #5 · Nonstop · 1h 20m

    5:15 PM → 6:35 PM

    70%

    arrive on time

    5:15 PM BWI → 6:35 PM CLE1h 20m

    Southwest 3873

    Boeing 737 MAX 8 or 737-800 · 1–12 yrs old
    72% on time · 1.8% cancel
    Find Southwest 3873 fares Opens this date on Aviasales

  6. #6 · Nonstop · 1h 20m

    9:55 PM → 11:20 PM

    70%

    arrive on time

    9:55 PM BWI → 11:20 PM CLE1h 20m

    Southwest 1094

    Boeing 737 MAX 8 or 737-800 · 1–11 yrs old
    71% on time · 1.4% cancel
    Find Southwest 1094 fares Opens this date on Aviasales

  7. #7 · Nonstop · 1h 20m

    4:40 PM → 6:00 PM

    64%

    arrive on time

    4:40 PM BWI → 6:00 PM CLE1h 20m

    Southwest 2639

    Boeing 737 MAX 8 or 737-800 · 1–13 yrs old
    65% on time · 1.6% cancel
    Find Southwest 2639 fares Opens this date on Aviasales

  8. #8 · Nonstop · 1h 25m

    10:30 PM → 11:55 PM

    63%

    arrive on time

    10:30 PM BWI → 11:55 PM CLE1h 25m

    Southwest 2812

    Boeing 737 MAX 8 or 737-800 · 2–22 yrs old
    65% on time · 2.7% cancel
    Find Southwest 2812 fares Opens this date 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 Airlines74%

    969 flights · 76% on time as flown · 2.0% cancel

On time by departure time

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

  • 9 AM to noon83%

    311 flights · avg delay 9 min

  • Noon to 3 PM83%

    78 flights · avg delay 12 min

  • 3 to 6 PM75%

    165 flights · avg delay 19 min

  • 6 to 9 PM75%

    164 flights · avg delay 16 min

  • After 9 PM65%

    250 flights · avg delay 21 min

Best day: Tuesday (78%). Worst: Sunday (70%).

Smarter routing

Nearby airports that run more on time

  • IAD → CLE 83% chance on time

    Washington Dulles International Airport to Cleveland Hopkins International Airport · 984 flights a year · 45 mi from your airports · yours: 74%

    Rank flightsFares

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