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Route on-time record

MIA to TYS: most on-time flights and the best time to fly

Miami (Miami International Airport) to Knoxville/Maryville (McGhee Tyson Airport). 478 nonstop flights in Jun 2025 to May 2026, 75% arrived within 15 minutes and 0.6% were cancelled. The most reliable flight number was Envoy 4061 at 9:45 PM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

MIA → TYS

Miami to Knoxville/Maryville: 478 nonstop flights a year

On time (12 months)

75%

Cancelled

0.6%

avg delay 19 min

Best time to leave

Noon to 3 PM

79% on time vs 57% 3 to 6 PM

Most reliable airline

Envoy

81% chance on time

Check MIA to TYS fares

Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

  1. #1 · Envoy 4061 · sold as American Eagle

    9:45 PM → 11:59 PM2h 14m nonstop

    Local times, typical schedule. Last flown 2026-05-20.

    84%

    chance on time

    On time (history)
    85%
    Cancelled
    0.3%
    Avg arrival delay
    7 min
    • Arrived on time 85% of the time (289 flights, Jun 2025 to May 2026).
    • Departs outside MIA's trouble window (1 PM to 7 PM, when 49% of its 45 ground stops and delay programs started).

    Strong track record · 289 flights

    Find 9:45 PM flight fares Opens this date on Aviasales

  2. #2 · American 2716

    9:45 PM → 11:59 PM2h 14m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    56%

    chance on time

    On time (history)
    39%
    Cancelled
    1.4%
    Avg arrival delay
    69 min
    • Arrived on time 39% of the time (72 flights, Jun 2025 to May 2026).
    • Departs outside MIA's trouble window (1 PM to 7 PM, when 49% of its 45 ground stops and delay programs started).

    Moderate track record · 72 flights

    Find American 2716 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Envoy Air (sold as American Eagle)81%

    390 flights · 84% on time as flown · 0.5% cancel

  • American Airlines60%

    74 flights · 38% on time as flown · 0.9% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • Noon to 3 PM79%

    83 flights · avg delay 13 min

  • 3 to 6 PM57%

    30 flights · avg delay 31 min

  • After 9 PM76%

    356 flights · avg delay 19 min

Best day: Tuesday (78%). Worst: Sunday (69%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

J
86
F
72
M
77
A
76
M
69
J
63
J
53
A
75
S
92
O
73
N
84
D
77

What delays this route

  • Late-arriving aircraft49%
  • Airline (crew, maintenance, boarding)26%
  • Air traffic control and airport volume18%
  • Severe weather7%

Share of delay minutes by the cause airlines report to the US DOT.

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

Finding the most reliable connections from MIA to TYS…

MIA to TYS questions

What time of day is best to fly MIA to TYS?
Noon to 3 PM: 79% of flights arrived on time, against 57% for departures 3 to 6 PM.
Which airline is most on time from MIA to TYS?
Envoy, with a season-adjusted 81% chance of operating and arriving on time over 390 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on MIA to TYS?
July (53% on time); the best was September (92%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?
No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from MIA

Live status: FAA delays and ground stops