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.
CVG → MIA
Cincinnati / Covington to Miami: 1,012 nonstop flights a year
On time (12 months)
79%
Cancelled
0.8%
avg delay 17 min
Best time to leave
Before 9 AM
87% on time vs 51% 3 to 6 PM
Most reliable airline
Envoy
80% chance on time
Lowest nonstop fare seen in the next two months: $403 (American 3638 on 2026-10-27). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Best trips
7 nonstop, 33 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 · 2h 38m
6:00 AM → 8:38 AM
93%
arrive on time
94% on time · 0.5% cancel6:00 AM CVG → 8:38 AM MIA2h 38m
Envoy 3553 · sold as American Eagle
Embraer E175 · 5–11 yrs oldFind 6:00 AM flight fares Opens this date on Aviasales#2 · Nonstop · 2h 38m
7:15 AM → 9:53 AM
85%
arrive on time
85% on time · 0.6% cancel7:15 AM CVG → 9:53 AM MIA2h 38m
Envoy 3638 · sold as American Eagle
Embraer E175 · 5–11 yrs oldFind 7:15 AM flight fares Opens this date on Aviasales#3 · Nonstop · 2h 40m
5:30 AM → 8:10 AM
85%
arrive on time
85% on time · 1.0% cancel5:30 AM CVG → 8:10 AM MIA2h 40m
Envoy 3618 · sold as American Eagle
Embraer E175 · 4–11 yrs oldFind 5:30 AM flight fares Opens this date on Aviasales#4 · Nonstop · 2h 40m
1:06 PM → 3:46 PM
74%
arrive on time
76% on time · 1.6% cancel1:06 PM CVG → 3:46 PM MIA2h 40m
Frontier 1964
Airbus A320neo · 5–10 yrs oldFind Frontier 1964 fares Opens this date on Aviasales#5 · Nonstop · 2h 40m
5:15 AM → 8:04 AM
73%
arrive on time
73% on time · 1.0% cancel5:15 AM CVG → 8:04 AM MIA2h 40m
Frontier 1444
Airbus A320neo · 5–10 yrs oldFind Frontier 1444 fares Opens this date on Aviasales#6 · Nonstop · 2h 38m
6:26 PM → 9:04 PM
72%
arrive on time
73% on time · 0.6% cancel6:26 PM CVG → 9:04 PM MIA2h 38m
Envoy 3487 · sold as American Eagle
Embraer E175 · 2–10 yrs oldFind 6:26 PM flight fares Opens this date on Aviasales#7 · 1 connection · 6h 07m · one ticket (American)
5:00 AM → 11:07 AM
88%
connections made
81%
arrive on time
83% on time · 1.4% cancel5:00 AM CVG → 5:33 AM ORD1h 33m
Envoy 4094 · sold as American Eagle · also flew as 3578
Embraer E175 or E170 · 3–22 yrs oldConnect in ORD · 1h 17m · 90% chance to make it · same ticket: the airline rebooks you if you miss it92% on time · 1.4% cancel6:50 AM ORD → 11:07 AM MIA3h 17m
American 1411
Boeing 737-800 · 9–26 yrs oldFind this American trip Look for Envoy 4094 + American 1411 on Aviasales#8 · Nonstop · 2h 39m
7:36 PM → 10:15 PM
68%
arrive on time
69% on time · 0.5% cancel7:36 PM CVG → 10:15 PM MIA2h 39m
Envoy 3554 · sold as American Eagle
Embraer E175 · 2–11 yrs oldFind 7:36 PM flight fares Opens this date on Aviasales#9 · 1 connection · 4h 40m · one ticket (Delta)
5:53 AM → 10:36 AM
93%
connections made
74%
arrive on time
95% on time · 1.4% cancel5:53 AM CVG → 7:25 AM ATL1h 32m
Delta 2441
Boeing 737-800 or 737-900ER · 12–27 yrs oldConnect in ATL · 1h 10m · 96% chance to make it · same ticket: the airline rebooks you if you miss it80% on time · 1.6% cancel8:35 AM ATL → 10:36 AM MIA1h 58m
Delta 1510
Boeing 767-300ER or 767-400ER · 8–29 yrs oldFind this Delta trip Look for Delta 2441 + Delta 1510 on Aviasales#10 · 1 connection · 6h 09m · one ticket (American)
5:00 AM → 11:09 AM
93%
connections made
79%
arrive on time
87% on time · 2.8% cancel5:00 AM CVG → 6:26 AM CLT1h 26m
American 429 · also flew as 1271
Airbus A320 · 13–27 yrs oldConnect in CLT · 2h 31m · 97% chance to make it · same ticket: the airline rebooks you if you miss it84% on time · 1.4% cancel8:57 AM CLT → 11:09 AM MIA2h 12m
American 1186 · also flew as 1002
Boeing 737-800 · 9–27 yrs oldFind this American trip Look for American 429 + American 1186 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.
- Envoy Air (sold as American Eagle)80%
786 flights · 81% on time as flown · 0.7% cancel
- American Airlines76%
76 flights · 75% on time as flown · 1.0% cancel
- Frontier Airlines74%
142 flights · 72% on time as flown · 1.1% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM87%
578 flights · avg delay 10 min
- 3 to 6 PM51%
43 flights · avg delay 41 min
- 6 to 9 PM69%
336 flights · avg delay 25 min
Best day: Tuesday (84%). Worst: Sunday (74%).
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