Historical on-time performance
Miami to Jacksonville
335 miData through Dec 2025Source: US DOT · BTS
Flights on MIA–JAX arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled1.2%of scheduled flights
based on 1,803 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirbestOn-time86%Medianon timep9020 minCancel1.1%Flights855
- American AirlinesOn-time66%Medianon timep9075 minCancel1.4%Flights948
Why flights run late
Delay causes
- Airline32%
- Weather10%
- Air traffic (NAS)16%
- Late aircraft41%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MIA → JAX
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 10 min · 1,057 flights
- Middays83% on time · p90 30 min · 904 flights
- Overnights67% on time · p90 65 min · 1,377 flights
- Afternoons67% on time · p90 70 min · 753 flights
- Evenings63% on time · p90 85 min · 1,345 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 78% on time.
- Tuesdays78% on time · p90 45 min · 777 flights
- Wednesdays76% on time · p90 45 min · 735 flights
- Mondays73% on time · p90 60 min · 773 flights
- Fridays72% on time · p90 55 min · 793 flights
- Saturdays72% on time · p90 55 min · 789 flights
- Thursdays71% on time · p90 65 min · 773 flights
- Sundays68% on time · p90 75 min · 796 flights
Advertisement
Keep exploring