Find the flight least likely to be delayed

1. Best overall#1 · Nonstop · 2h 28m

   9:20 AM → 11:48 AM

   91%

   arrive on time

   9:20 AM RSW → 11:48 AM IAD2h 28m

   United 2156

   Boeing 737 MAX 9 · 0–6 yrs old

   92% on time · 0.7% cancel
   Why this ranks here

   Find United 2156 fares ↗Opens this date on Aviasales

2. #2 · Nonstop · 2h 34m

   1:15 PM → 3:49 PM

   88%

   arrive on time

   1:15 PM RSW → 3:49 PM IAD2h 34m

   United 2054

   Boeing 737 MAX 8 or 737-900ER · 1–17 yrs old

   89% on time · 1.0% cancel
   Why this ranks here

   Find United 2054 fares ↗Opens this date on Aviasales

3. #3 · 1 connection · 5h 20m · separate tickets

   6:35 AM → 11:55 AM

   97%

   connections made

   90%

   arrive on time

   6:35 AM RSW → 7:25 AM MCO50m

   Southwest 1061

   Boeing 737-700 · 9–23 yrs old

   92% on time · 0.8% cancel

   Connect in MCO · 2h 13m · 98% chance to make it · separate tickets: collect and re-check bags, re-clear security; if you miss it the second airline does not have to rebook you

   9:38 AM MCO → 11:55 AM IAD2h 17m

   United 1893 · also flew as 453

   Boeing 737-900ER or 737 MAX 9 · 1–18 yrs old

   92% on time · 0.4% cancel
   Why this ranks here

   Flight 1: find Southwest 1061 (RSW–MCO) ↗Flight 2: find United 1893 (MCO–IAD) ↗Book each flight separately on Aviasales

4. #4 · 1 connection · 5h 45m · one ticket (American)

   6:00 AM → 11:45 AM

   93%

   connections made

   84%

   arrive on time

   6:00 AM RSW → 8:05 AM CLT2h 05m

   American 1646 · also flew as 2515

   Airbus A321 · 9–24 yrs old

   95% on time · 2.5% cancel

   Connect in CLT · 2h 08m · 98% chance to make it · same ticket: the airline rebooks you if you miss it

   10:13 AM CLT → 11:45 AM IAD1h 32m

   Republic 3543 · sold as American Eagle

   Embraer E175 · 1–11 yrs old

   90% on time · 2.3% cancel
   Why this ranks here

   Find this American trip ↗Look for American 1646 + Republic 3543 on Aviasales

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

   6:15 AM → 11:45 AM

   92%

   connections made

   83%

   arrive on time

   6:15 AM RSW → 8:17 AM CLT2h 02m

   American 1097

   Boeing 737-800 · 9–25 yrs old

   96% on time · 4.1% cancel

   Connect in CLT · 1h 56m · 98% chance to make it · same ticket: the airline rebooks you if you miss it

   10:13 AM CLT → 11:45 AM IAD1h 32m

   Republic 3543 · sold as American Eagle

   Embraer E175 · 1–11 yrs old

   90% on time · 2.3% cancel
   Why this ranks here

   Find this American trip ↗Look for American 1097 + Republic 3543 on Aviasales

6. #6 · 1 connection · 5h 40m · separate tickets

   6:15 AM → 11:55 AM

   96%

   connections made

   89%

   arrive on time

   6:15 AM RSW → 7:15 AM MCO1h 00m

   Southwest 2807

   Boeing 737 MAX 8 · 1–10 yrs old

   90% on time · 1.5% cancel

   Connect in MCO · 2h 23m · 98% chance to make it · separate tickets: collect and re-check bags, re-clear security; if you miss it the second airline does not have to rebook you

   9:38 AM MCO → 11:55 AM IAD2h 17m

   United 1893 · also flew as 453

   Boeing 737-900ER or 737 MAX 9 · 1–18 yrs old

   92% on time · 0.4% cancel
   Why this ranks here

   Flight 1: find Southwest 2807 (RSW–MCO) ↗Flight 2: find United 1893 (MCO–IAD) ↗Book each flight separately on Aviasales

7. #7 · 1 connection · 5h 15m · one ticket (Delta)

   6:32 AM → 11:52 AM

   92%

   connections made

   80%

   arrive on time

   6:32 AM RSW → 8:29 AM ATL1h 52m

   Delta 1361

   Boeing 757-200 or Airbus A321 · 8–31 yrs old

   93% on time · 1.1% cancel

   Connect in ATL · 1h 36m · 96% chance to make it · same ticket: the airline rebooks you if you miss it

   10:05 AM ATL → 11:52 AM IAD1h 47m

   Delta 1444

   Airbus A319 or A320 · 23–34 yrs old

   87% on time · 3.9% cancel
   Why this ranks here

   Find this Delta trip ↗Look for Delta 1361 + Delta 1444 on Aviasales

8. #8 · 1 connection · 6h 02m · one ticket (American)

   10:26 AM → 4:28 PM

   94%

   connections made

   81%

   arrive on time

   10:26 AM RSW → 12:29 PM CLT2h 03m

   American 2710

   Airbus A321 · 9–17 yrs old

   89% on time · 1.6% cancel

   Connect in CLT · 2h 20m · 98% chance to make it · same ticket: the airline rebooks you if you miss it

   2:49 PM CLT → 4:28 PM IAD1h 39m

   Republic 3429 · sold as American Eagle

   Embraer E175 · 1–9 yrs old

   87% on time · 2.8% cancel
   Why this ranks here

   Find this American trip ↗Look for American 2710 + Republic 3429 on Aviasales

9. #9 · 1 connection · 6h 08m · one ticket (American)

   10:20 AM → 4:28 PM

   93%

   connections made

   80%

   arrive on time

   10:20 AM RSW → 12:28 PM CLT2h 08m

   American 2555

   Airbus A321 · 10–24 yrs old

   86% on time · 1.9% cancel

   Connect in CLT · 2h 21m · 97% chance to make it · same ticket: the airline rebooks you if you miss it

   2:49 PM CLT → 4:28 PM IAD1h 39m

   Republic 3429 · sold as American Eagle

   Embraer E175 · 1–9 yrs old

   87% on time · 2.8% cancel
   Why this ranks here

   Find this American trip ↗Look for American 2555 + Republic 3429 on Aviasales

10. #10 · 1 connection · 5h 26m · one ticket (American)

    8:06 AM → 1:32 PM

    92%

    connections made

    78%

    arrive on time

    8:06 AM RSW → 10:14 AM CLT2h 08m

    American 2241

    Boeing 737-800 · 10–26 yrs old

    96% on time · 1.6% cancel

    Connect in CLT · 1h 46m · 96% chance to make it · same ticket: the airline rebooks you if you miss it

    12:00 PM CLT → 1:32 PM IAD1h 32m

    PSA 5543 · sold as American Eagle

    Bombardier CRJ900 · 7–12 yrs old

    84% on time · 2.7% cancel
    Why this ranks here

    Find this American trip ↗Look for American 2241 + PSA 5543 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.