Route on-time record
JAX to MIA: most on-time flights and the best time to fly
Jacksonville (Jacksonville International Airport) to Miami (Miami International Airport). 1,559 nonstop flights in Jun 2025 to May 2026, 80% arrived within 15 minutes and 1.1% were cancelled. The most reliable flight number was American 2711 at 6:00 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
JAX → MIA
Jacksonville to Miami: 1,559 nonstop flights a year
On time (12 months)
80%
Cancelled
1.1%
avg delay 15 min
Best time to leave
Before 9 AM
88% on time vs 60% 3 to 6 PM
Most reliable airline
American
79% chance on time
Lowest nonstop fare seen in the next two months: $454 (American 3956 on 2026-10-18). 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 · American 2711
6:00 AM → 7:22 AM1h 22m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as American 1160, 1041; its record covers all of them.
88%
chance on time
- On time (history)
- 89%
- Cancelled
- 0.8%
- Avg arrival delay
- 16 min
- Arrived on time 89% of the time (254 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 60%).
Strong track record · 254 flights
Find American 2711 fares Opens this date on Aviasales#2 · American 2211
11:00 AM → 12:26 PM1h 26m nonstop
Local times, typical schedule. Last flown 2026-05-20.
85%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 91% of the time (43 flights, Jun 2025 to May 2026).
- Never cancelled in 43 scheduled flights.
- Short track record (43 flights), so its score leans on the airline's record at this hour.
Limited track record · 43 flights
Find American 2211 fares Opens this date on Aviasales#3 · Envoy 4274 · sold as American Eagle
7:34 AM → 8:54 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-05-20.
85%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 91% of the time (43 flights, Jun 2025 to May 2026).
- Never cancelled in 43 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 60%).
- Short track record (43 flights), so its score leans on the airline's record at this hour.
Limited track record · 43 flights
Find 7:34 AM flight fares Opens this date on Aviasales#4 · Envoy 3607 · sold as American Eagle
7:00 AM → 8:19 AM1h 19m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 0 min
- Arrived on time 100% of the time (9 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 60%).
- Short track record (9 flights), so its score leans on the airline's record at this hour.
Limited track record · 9 flights
Find 7:00 AM flight fares Opens this date on Aviasales#5 · American 2069
9:43 AM → 11:09 AM1h 26m nonstop
Local times, typical schedule. Last flown 2026-04-06.
77%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 min
- Arrived on time 75% of the time (59 flights, Jun 2025 to May 2026).
- Never cancelled in 59 scheduled flights.
- Short track record (59 flights), so its score leans on the airline's record at this hour.
Limited track record · 59 flights
Find American 2069 fares Opens this date on Aviasales#6 · Envoy 3609 · sold as American Eagle
9:57 AM → 11:17 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
76%
chance on time
- On time (history)
- 67%
- Cancelled
- 0.0%
- Avg arrival delay
- 15 min
- Arrived on time 67% of the time (9 flights, Jun 2025 to May 2026).
- Short track record (9 flights), so its score leans on the airline's record at this hour.
Limited track record · 9 flights
Find 9:57 AM flight fares Opens this date on Aviasales#7 · Envoy 4082 · sold as American Eagle
7:44 PM → 9:05 PM1h 21m nonstop
Local times, typical schedule. Last flown 2026-05-20.
73%
chance on time
- On time (history)
- 77%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 min
- Arrived on time 77% of the time (44 flights, Jun 2025 to May 2026).
- Never cancelled in 44 scheduled flights.
- Short track record (44 flights), so its score leans on the airline's record at this hour.
Limited track record · 44 flights
Find 7:44 PM flight fares Opens this date on Aviasales#8 · American 2123
8:05 PM → 9:38 PM1h 33m nonstop
Local times, typical schedule. Last flown 2026-04-06.
69%
chance on time
- On time (history)
- 67%
- Cancelled
- 7.7%
- Avg arrival delay
- 16 min
- Arrived on time 67% of the time (24 flights, Jun 2025 to May 2026).
- 66% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find American 2123 fares Opens this date on Aviasales#9 · Envoy 3605 · sold as American Eagle
6:43 PM → 8:03 PM1h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
69%
chance on time
- On time (history)
- 56%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 56% of the time (9 flights, Jun 2025 to May 2026).
- 83% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (9 flights), so its score leans on the airline's record at this hour.
Limited track record · 9 flights
Find 6:43 PM flight fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- American Airlines79%
828 flights · 80% on time as flown · 1.2% cancel
- Envoy Air (sold as American Eagle)78%
715 flights · 79% on time as flown · 1.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM88%
619 flights · avg delay 13 min
- 9 AM to noon85%
348 flights · avg delay 8 min
- 3 to 6 PM60%
157 flights · avg delay 28 min
- 6 to 9 PM70%
417 flights · avg delay 21 min
Best day: Wednesday (82%). Worst: Sunday (74%).
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.
What delays this route
- Late-arriving aircraft48%
- Airline (crew, maintenance, boarding)34%
- Air traffic control and airport volume14%
- Severe weather4%
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
JAX to MIA questions
- What time of day is best to fly JAX to MIA?
- Before 9 AM: 88% of flights arrived on time, against 60% for departures 3 to 6 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from JAX to MIA?
- American, with a season-adjusted 79% chance of operating and arriving on time over 828 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 JAX to MIA?
- June (64% on time); the best was November (87%), 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 JAX
- MIA to JAX (return)
- JAX to ATL 84%
- JAX to ORD 78%
- JAX to CLT 81%
- JAX to DFW 76%
- JAX to BOS 74%
- JAX to PHL 78%
- JAX to DCA 71%
- JAX to BWI 80%
- JAX to EWR 79%
- JAX to JFK 74%
- JAX to BNA 83%
- JAX to DEN 86%
Live status: FAA delays and ground stops