ATIS Alerts Smart Flight Search
Find the flight least likely to be delayed
BetaWe 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.
BDL → MIA
Hartford to Miami: 429 nonstop flights a year
On time (12 months)
90%
Cancelled
1.4%
avg delay 15 min
Best time to leave
Before 9 AM
91% on time vs 84% 3 to 6 PM
Most reliable airline
American
89% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Best trips
2 nonstop, 38 with 1 connection. Best overall weighs the chance you arrive on time as booked, connection odds, travel time and separate tickets.
Best overall#1 · Nonstop · 3h 18m
5:45 AM → 9:03 AM
89%
arrive on time
91% on time · 1.4% cancel5:45 AM BDL → 9:03 AM MIA3h 18m
American 412 · also flew as 1240
Boeing 737 MAX 8 · 1–25 yrs oldFind American 412 fares Opens this date on Aviasales#2 · Nonstop · 3h 24m
3:06 PM → 6:30 PM
86%
arrive on time
87% on time · 1.1% cancel3:06 PM BDL → 6:30 PM MIA3h 24m
American 2806
Boeing 737-800 or 737 MAX 8 · 1–25 yrs oldFind American 2806 fares Opens this date on Aviasales#3 · 1 connection · 5h 31m · one ticket (United)
6:00 AM → 11:31 AM
93%
connections made
79%
arrive on time
94% on time · 2.0% cancel6:00 AM BDL → 7:26 AM IAD1h 26m
United 635
Boeing 737-900ER · 2–25 yrs oldConnect in IAD · 1h 09m · 96% chance to make it · same ticket: the airline rebooks you if you miss it85% on time · 0.6% cancel8:35 AM IAD → 11:31 AM MIA2h 56m
United 1073
Boeing 737-900ER · 1–17 yrs oldFind this United trip Look for United 635 + United 1073 on Aviasales#4 · 1 connection · 5h 43m · one ticket (United)
10:33 AM → 4:16 PM
93%
connections made
78%
arrive on time
90% on time · 1.4% cancel10:33 AM BDL → 11:58 AM IAD1h 25m
United 1786 · also flew as 2746, 1581
Boeing 737-700 · 3–28 yrs oldConnect in IAD · 1h 22m · 95% chance to make it · same ticket: the airline rebooks you if you miss it84% on time · 0.5% cancel1:20 PM IAD → 4:16 PM MIA2h 56m
United 1214
Boeing 737 MAX 8 or 737-800 · 1–27 yrs oldFind this United trip Look for United 1786 + United 1214 on Aviasales#5 · 1 connection · 5h 30m · one ticket (American)
6:00 AM → 11:30 AM
87%
connections made
77%
arrive on time
88% on time · 2.5% cancel6:00 AM BDL → 7:20 AM PHL1h 20m
American 3019
Airbus A319 or Boeing 737-800 · 13–27 yrs oldConnect in PHL · 1h 01m · 90% chance to make it · same ticket: the airline rebooks you if you miss it89% on time · 0.8% cancel8:21 AM PHL → 11:30 AM MIA3h 09m
American 2184
Airbus A321neo · 4–9 yrs oldFind this American trip Look for American 3019 + American 2184 on Aviasales#6 · 1 connection · 6h 05m · one ticket (Southwest)
5:20 AM → 11:25 AM
94%
connections made
77%
arrive on time
92% on time · 1.0% cancel5:20 AM BDL → 8:10 AM MCO2h 50m
Southwest 477
Boeing 737 MAX 8 or 737-800 · 2–13 yrs oldConnect in MCO · 2h 05m · 96% chance to make it · same ticket: the airline rebooks you if you miss it82% on time · 0.6% cancel10:15 AM MCO → 11:25 AM MIA1h 10m
Southwest 3684 · also flew as 3154, 2174
Boeing 737-700 or 737-800 · 1–23 yrs oldFind this Southwest trip Look for Southwest 477 + Southwest 3684 on Aviasales#7 · 1 connection · 6h 25m · one ticket (Southwest)
5:20 AM → 11:45 AM
95%
connections made
77%
arrive on time
92% on time · 1.0% cancel5:20 AM BDL → 8:10 AM MCO2h 50m
Southwest 477
Boeing 737 MAX 8 or 737-800 · 2–13 yrs oldConnect in MCO · 2h 20m · 96% chance to make it · same ticket: the airline rebooks you if you miss it81% on time · 0.8% cancel10:30 AM MCO → 11:45 AM MIA1h 15m
Southwest 1491
Boeing 737-800 or 737 MAX 8 · 1–12 yrs oldFind this Southwest trip Look for Southwest 477 + Southwest 1491 on Aviasales#8 · 1 connection · 6h 47m · one ticket (Delta)
6:00 AM → 12:56 PM
95%
connections made
75%
arrive on time
88% on time · 2.0% cancel6:00 AM BDL → 8:47 AM ATL2h 38m
Delta 2933
Airbus A321 or Boeing 737-900ER · 8–10 yrs oldConnect in ATL · 2h 13m · 99% chance to make it · same ticket: the airline rebooks you if you miss it79% on time · 1.4% cancel11:00 AM ATL → 12:56 PM MIA1h 56m
Delta 1332
Boeing 757-200 or Airbus A321 · 8–28 yrs oldFind this Delta trip Look for Delta 2933 + Delta 1332 on Aviasales#9 · 1 connection · 5h 42m · one ticket (American)
6:00 AM → 11:42 AM
88%
connections made
72%
arrive on time
90% on time · 3.5% cancel6:00 AM BDL → 8:15 AM CLT2h 15m
American 3182 · also flew as 1745
Boeing 737-800 · 9–26 yrs oldConnect in CLT · 1h 11m · 93% chance to make it · same ticket: the airline rebooks you if you miss it82% on time · 1.5% cancel9:26 AM CLT → 11:42 AM MIA2h 16m
American 1436
Airbus A321neo · 2–6 yrs oldFind this American trip Look for American 3182 + American 1436 on Aviasales#10 · 1 connection · 6h 32m · one ticket (American)
10:53 AM → 5:25 PM
95%
connections made
75%
arrive on time
90% on time · 1.8% cancel10:53 AM BDL → 12:10 PM PHL1h 17m
American 865
Airbus A319 · 20–27 yrs oldConnect in PHL · 2h 16m · 98% chance to make it · same ticket: the airline rebooks you if you miss it79% on time · 1.7% cancel2:26 PM PHL → 5:25 PM MIA2h 59m
American 3265
Boeing 737-800 · 10–25 yrs oldFind this American trip Look for American 865 + American 3265 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.
- American Airlines89%
396 flights · 90% on time as flown · 1.3% cancel
- Frontier Airlines87%
33 flights · 88% on time as flown · 1.7% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM91%
365 flights · avg delay 16 min
- 3 to 6 PM84%
38 flights · avg delay 7 min
Best day: Friday (91%). Worst: Saturday (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
