Find the flight least likely to be delayed

1. Best overall#1 · Nonstop · 2h 00m

   10:25 AM → 1:25 PM

   90%

   arrive on time

   10:25 AM BHM → 1:25 PM BWI2h 00m

   Southwest 1562

   Boeing 737-800 or 737 MAX 8 · 2–14 yrs old

   92% on time · 1.8% cancel
   Why this ranks here

   Find Southwest 1562 fares ↗Opens this date on Aviasales

2. #2 · Nonstop · 2h 05m

   3:15 PM → 6:20 PM

   81%

   arrive on time

   3:15 PM BHM → 6:20 PM BWI2h 05m

   Southwest 3073

   Boeing 737-700 · 15–23 yrs old

   83% on time · 1.7% cancel
   Why this ranks here

   Find Southwest 3073 fares ↗Opens this date on Aviasales

3. #3 · Nonstop · 2h 00m

   2:40 PM → 5:40 PM

   78%

   arrive on time

   2:40 PM BHM → 5:40 PM BWI2h 00m

   Southwest 693

   Boeing 737 MAX 8 · 1–8 yrs old

   80% on time · 2.4% cancel
   Why this ranks here

   Find Southwest 693 fares ↗Opens this date on Aviasales

4. #4 · 1 connection · 5h 40m · one ticket (Southwest)

   5:40 AM → 12:20 PM

   96%

   connections made

   89%

   arrive on time

   5:40 AM BHM → 6:45 AM BNA1h 05m

   Southwest 484 · also flew as 4640

   Boeing 737-700 or 737 MAX 8 · 1–22 yrs old

   92% on time · 1.1% cancel

   Connect in BNA · 2h 45m · 99% chance to make it · same ticket: the airline rebooks you if you miss it

   9:30 AM BNA → 12:20 PM BWI1h 50m

   Southwest 548

   Boeing 737 MAX 8 or 737-800 · 1–12 yrs old

   92% on time · 2.6% cancel
   Why this ranks here

   Find this Southwest trip ↗Look for Southwest 484 + Southwest 548 on Aviasales

5. #5 · Nonstop · 1h 55m

   12:40 PM → 3:35 PM

   75%

   arrive on time

   12:40 PM BHM → 3:35 PM BWI1h 55m

   Southwest 1712

   Boeing 737-700 · 18–23 yrs old

   77% on time · 1.9% cancel
   Why this ranks here

   Find Southwest 1712 fares ↗Opens this date on Aviasales

6. #6 · 1 connection · 5h 45m · one ticket (Southwest)

   5:40 AM → 12:25 PM

   96%

   connections made

   88%

   arrive on time

   5:40 AM BHM → 6:45 AM BNA1h 05m

   Southwest 484 · also flew as 4640

   Boeing 737-700 or 737 MAX 8 · 1–22 yrs old

   92% on time · 1.1% cancel

   Connect in BNA · 2h 55m · 99% chance to make it · same ticket: the airline rebooks you if you miss it

   9:40 AM BNA → 12:25 PM BWI1h 45m

   Southwest 2734

   Boeing 737-700 · 4–23 yrs old

   91% on time · 1.9% cancel
   Why this ranks here

   Find this Southwest trip ↗Look for Southwest 484 + Southwest 2734 on Aviasales

7. #7 · 1 connection · 4h 29m · one ticket (Delta)

   5:15 AM → 10:44 AM

   94%

   connections made

   83%

   arrive on time

   5:15 AM BHM → 7:15 AM ATL1h 00m

   Delta 1979 · also flew as 2162

   Boeing 717 · 20–27 yrs old

   94% on time · 1.7% cancel

   Connect in ATL · 1h 40m · 97% chance to make it · same ticket: the airline rebooks you if you miss it

   8:55 AM ATL → 10:44 AM BWI1h 49m

   Delta 801

   Boeing 737-900ER or Airbus A321 · 7–16 yrs old

   89% on time · 2.1% cancel
   Why this ranks here

   Find this Delta trip ↗Look for Delta 1979 + Delta 801 on Aviasales

8. #8 · 1 connection · 5h 05m · one ticket (American)

   5:30 AM → 11:35 AM

   93%

   connections made

   79%

   arrive on time

   5:30 AM BHM → 8:07 AM CLT1h 37m

   Envoy 3602 · sold as American Eagle

   Embraer E175 · 6–11 yrs old

   89% on time · 0.8% cancel

   Connect in CLT · 2h 02m · 96% chance to make it · same ticket: the airline rebooks you if you miss it

   10:09 AM CLT → 11:35 AM BWI1h 26m

   American 2316

   Airbus A319 · 13–27 yrs old

   85% on time · 2.7% cancel
   Why this ranks here

   Find this American trip ↗Look for Envoy 3602 + American 2316 on Aviasales

9. #9 · 1 connection · 4h 48m · one ticket (Delta)

   7:45 AM → 1:31 PM

   91%

   connections made

   77%

   arrive on time

   7:45 AM BHM → 9:53 AM ATL1h 08m

   Delta 1369

   Boeing 717 · 22–27 yrs old

   89% on time · 2.2% cancel

   Connect in ATL · 1h 52m · 95% chance to make it · same ticket: the airline rebooks you if you miss it

   11:45 AM ATL → 1:31 PM BWI1h 48m

   Delta 2711

   Boeing 737-900ER or Airbus A321 · 8–12 yrs old

   85% on time · 2.3% cancel
   Why this ranks here

   Find this Delta trip ↗Look for Delta 1369 + Delta 2711 on Aviasales

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

    6:20 AM → 1:31 PM

    94%

    connections made

    80%

    arrive on time

    6:20 AM BHM → 8:29 AM ATL1h 10m

    Delta 1618

    Boeing 717 · 13–26 yrs old

    88% on time · 2.1% cancel

    Connect in ATL · 3h 16m · 99% chance to make it · same ticket: the airline rebooks you if you miss it

    11:45 AM ATL → 1:31 PM BWI1h 48m

    Delta 2711

    Boeing 737-900ER or Airbus A321 · 8–12 yrs old

    85% on time · 2.3% cancel
    Why this ranks here

    Find this Delta trip ↗Look for Delta 1618 + Delta 2711 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.