Find the flight least likely to be delayed

1. Best overall#1 · Nonstop · 1h 43m

   12:15 PM → 2:00 PM

   87%

   arrive on time

   12:15 PM TUL → 2:00 PM HOU1h 43m

   Southwest 3400 · also flew as 1903

   Boeing 737-700 or 737-800 · 3–21 yrs old

   88% on time · 0.5% cancel
   Why this ranks here

   Find Southwest 3400 fares ↗Opens this date on Aviasales

2. #2 · Nonstop · 1h 45m

   3:30 PM → 5:15 PM

   82%

   arrive on time

   3:30 PM TUL → 5:15 PM HOU1h 45m

   Southwest 391

   Boeing 737-700 · 15–23 yrs old

   83% on time · 0.7% cancel
   Why this ranks here

   Find Southwest 391 fares ↗Opens this date on Aviasales

3. #3 · Nonstop · 1h 45m

   1:10 PM → 2:55 PM

   82%

   arrive on time

   1:10 PM TUL → 2:55 PM HOU1h 45m

   Southwest 4594

   Boeing 737 MAX 8 or 737-800 · 1–13 yrs old

   82% on time · 0.7% cancel
   Why this ranks here

   Find Southwest 4594 fares ↗Opens this date on Aviasales

4. #4 · Nonstop · 1h 40m

   6:05 PM → 7:45 PM

   77%

   arrive on time

   6:05 PM TUL → 7:45 PM HOU1h 40m

   Southwest 950

   Boeing 737 MAX 8 · 3–14 yrs old

   77% on time · 0.7% cancel
   Why this ranks here

   Find Southwest 950 fares ↗Opens this date on Aviasales

5. #5 · 1 connection · 4h 05m · one ticket (Southwest)

   5:45 AM → 9:50 AM

   94%

   connections made

   81%

   arrive on time

   5:45 AM TUL → 6:55 AM DAL1h 10m

   Southwest 2673

   Boeing 737 MAX 8 or 737-800 · 1–20 yrs old

   94% on time · 1.2% cancel

   Connect in DAL · 1h 35m · 97% chance to make it · same ticket: the airline rebooks you if you miss it

   8:30 AM DAL → 9:50 AM HOU1h 20m

   Southwest 7

   Boeing 737-700 · 5–22 yrs old

   86% on time · 1.4% cancel
   Why this ranks here

   Find this Southwest trip ↗Look for Southwest 2673 + Southwest 7 on Aviasales

6. #6 · 1 connection · 5h 30m · one ticket (Southwest)

   5:45 AM → 11:15 AM

   96%

   connections made

   84%

   arrive on time

   5:45 AM TUL → 6:55 AM DAL1h 10m

   Southwest 2673

   Boeing 737 MAX 8 or 737-800 · 1–20 yrs old

   94% on time · 1.2% cancel

   Connect in DAL · 3h 05m · 100% chance to make it · same ticket: the airline rebooks you if you miss it

   10:00 AM DAL → 11:15 AM HOU1h 15m

   Southwest 15

   Boeing 737 MAX 8 or 737-800 · 1–24 yrs old

   87% on time · 2.2% cancel
   Why this ranks here

   Find this Southwest trip ↗Look for Southwest 2673 + Southwest 15 on Aviasales

7. #7 · 1 connection · 4h 20m · one ticket (Southwest)

   5:30 AM → 9:50 AM

   93%

   connections made

   80%

   arrive on time

   5:30 AM TUL → 6:40 AM DAL1h 10m

   Southwest 4579

   Boeing 737-700 · 12–23 yrs old

   93% on time · 1.9% cancel

   Connect in DAL · 1h 50m · 97% chance to make it · same ticket: the airline rebooks you if you miss it

   8:30 AM DAL → 9:50 AM HOU1h 20m

   Southwest 7

   Boeing 737-700 · 5–22 yrs old

   86% on time · 1.4% cancel
   Why this ranks here

   Find this Southwest trip ↗Look for Southwest 4579 + Southwest 7 on Aviasales

8. #8 · 1 connection · 6h 35m · one ticket (Southwest)

   5:45 AM → 12:20 PM

   96%

   connections made

   87%

   arrive on time

   5:45 AM TUL → 6:55 AM DAL1h 10m

   Southwest 2673

   Boeing 737 MAX 8 or 737-800 · 1–20 yrs old

   94% on time · 1.2% cancel

   Connect in DAL · 4h 05m · 100% chance to make it · same ticket: the airline rebooks you if you miss it

   11:00 AM DAL → 12:20 PM HOU1h 20m

   Southwest 17

   Boeing 737-800 or 737 MAX 8 · 2–15 yrs old

   90% on time · 2.8% cancel
   Why this ranks here

   Find this Southwest trip ↗Look for Southwest 2673 + Southwest 17 on Aviasales

9. #9 · 1 connection · 4h 43m · one ticket (American)

   5:00 AM → 9:43 AM

   90%

   connections made

   80%

   arrive on time

   5:00 AM TUL → 6:15 AM DFW1h 15m

   Envoy 3988 · sold as American Eagle · also flew as 3349

   Embraer E170 · 2–22 yrs old

   89% on time · 2.4% cancel

   Connect in DFW · 2h 05m · 95% chance to make it · same ticket: the airline rebooks you if you miss it

   8:20 AM DFW → 9:43 AM HOU1h 23m

   Envoy 3467 · sold as American Eagle

   Embraer E175 · 4–11 yrs old

   89% on time · 3.3% cancel
   Why this ranks here

   Find this American trip ↗Look for Envoy 3988 + Envoy 3467 on Aviasales

10. #10 · 1 connection · 3h 57m · one ticket (American)

    5:00 AM → 8:57 AM

    86%

    connections made

    78%

    arrive on time

    5:00 AM TUL → 6:15 AM DFW1h 15m

    Envoy 3988 · sold as American Eagle · also flew as 3349

    Embraer E170 · 2–22 yrs old

    89% on time · 2.4% cancel

    Connect in DFW · 1h 24m · 91% chance to make it · same ticket: the airline rebooks you if you miss it

    7:39 AM DFW → 8:57 AM HOU1h 18m

    Envoy 3573 · sold as American Eagle

    Embraer E170 · 11–22 yrs old

    90% on time · 2.8% cancel
    Why this ranks here

    Find this American trip ↗Look for Envoy 3988 + Envoy 3573 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.