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.
TYS → MIA
Knoxville/Maryville to Miami: 478 nonstop flights a year
On time (12 months)
80%
Cancelled
0.6%
avg delay 17 min
Best time to leave
Before 9 AM
84% on time vs 50% 6 to 9 PM
Most reliable airline
Envoy
83% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Best trips
2 nonstop, 27 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 08m
6:30 AM → 8:38 AM
86%
arrive on time
86% on time · 0.5% cancel6:30 AM TYS → 8:38 AM MIA2h 08m
Envoy 4265 · sold as American Eagle
Embraer E175 · 2–11 yrs oldFind 6:30 AM flight fares Opens this date on Aviasales#2 · Nonstop · 2h 13m
6:00 AM → 8:13 AM
73%
arrive on time
74% on time · 1.0% cancel6:00 AM TYS → 8:13 AM MIA2h 13m
American 2730
Airbus A319 · 21–28 yrs oldFind American 2730 fares Opens this date on Aviasales#3 · 1 connection · 3h 42m · one ticket (Delta)
5:40 AM → 9:20 AM
83%
connections made
72%
arrive on time
92% on time · 2.5% cancel5:40 AM TYS → 6:36 AM ATL1h 01m
Delta 3015
Boeing 737-900ER or 737-800 · 8–26 yrs oldConnect in ATL · 49m · 87% chance to make it · same ticket: the airline rebooks you if you miss it87% on time · 1.7% cancel7:25 AM ATL → 9:20 AM MIA1h 52m
Delta 2836
Boeing 757-200 or Airbus A321 · 7–30 yrs oldFind this Delta trip Look for Delta 3015 + Delta 2836 on Aviasales#4 · 1 connection · 4h 58m · one ticket (Delta)
5:40 AM → 10:36 AM
92%
connections made
74%
arrive on time
92% on time · 2.5% cancel5:40 AM TYS → 6:36 AM ATL1h 01m
Delta 3015
Boeing 737-900ER or 737-800 · 8–26 yrs oldConnect in ATL · 1h 59m · 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 3015 + Delta 1510 on Aviasales#5 · 1 connection · 6h 09m · one ticket (American)
5:00 AM → 11:09 AM
90%
connections made
76%
arrive on time
89% on time · 2.5% cancel5:00 AM TYS → 6:17 AM CLT1h 17m
PSA 5471 · sold as American Eagle · also flew as 5065
Bombardier CRJ900 · 7–12 yrs oldConnect in CLT · 2h 40m · 93% 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 PSA 5471 + American 1186 on Aviasales#6 · 1 connection · 5h 32m · separate tickets
5:40 AM → 11:07 AM
93%
connections made
78%
arrive on time
92% on time · 2.5% cancel5:40 AM TYS → 6:36 AM ATL1h 01m
Delta 3015
Boeing 737-900ER or 737-800 · 8–26 yrs oldConnect in ATL · 2h 24m · 96% 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 you84% on time · 0.9% cancel9:00 AM ATL → 11:07 AM MIA2h 07m
American 2526
Airbus A319 · 26–28 yrs oldFlight 1: find Delta 3015 (TYS–ATL) Flight 2: find American 2526 (ATL–MIA) Book each flight separately on Aviasales#7 · 1 connection · 6h 42m · one ticket (American)
5:00 AM → 11:42 AM
91%
connections made
74%
arrive on time
89% on time · 2.5% cancel5:00 AM TYS → 6:17 AM CLT1h 17m
PSA 5471 · sold as American Eagle · also flew as 5065
Bombardier CRJ900 · 7–12 yrs oldConnect in CLT · 3h 09m · 94% 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 PSA 5471 + American 1436 on Aviasales#8 · 1 connection · 7h 21m · one ticket (Delta)
5:40 AM → 12:56 PM
95%
connections made
75%
arrive on time
92% on time · 2.5% cancel5:40 AM TYS → 6:36 AM ATL1h 01m
Delta 3015
Boeing 737-900ER or 737-800 · 8–26 yrs oldConnect in ATL · 4h 24m · 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 3015 + Delta 1332 on Aviasales#9 · 1 connection · 7h 26m · separate tickets
5:40 AM → 1:01 PM
95%
connections made
81%
arrive on time
92% on time · 2.5% cancel5:40 AM TYS → 6:36 AM ATL1h 01m
Delta 3015
Boeing 737-900ER or 737-800 · 8–26 yrs oldConnect in ATL · 4h 24m · 99% 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 you85% on time · 0.9% cancel11:00 AM ATL → 1:01 PM MIA2h 01m
American 1799
Boeing 737-800 or Airbus A319 · 11–26 yrs oldFlight 1: find Delta 3015 (TYS–ATL) Flight 2: find American 1799 (ATL–MIA) Book each flight separately on Aviasales#10 · 1 connection · 4h 40m · one ticket (American)
7:02 AM → 11:42 AM
82%
connections made
67%
arrive on time
87% on time · 2.4% cancel7:02 AM TYS → 8:28 AM CLT1h 26m
PSA 5182 · sold as American Eagle
Bombardier CRJ900 · 9–22 yrs oldConnect in CLT · 58m · 85% 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 PSA 5182 + American 1436 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)83%
391 flights · 84% on time as flown · 0.5% cancel
- American Airlines75%
73 flights · 68% on time as flown · 0.9% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM84%
365 flights · avg delay 15 min
- 3 to 6 PM73%
83 flights · avg delay 17 min
- 6 to 9 PM50%
30 flights · avg delay 35 min
Best day: Thursday (87%). Worst: Sunday (78%).
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
