Atlanta (ATL) to Melbourne (MLB): On-Time Performance
Data through May 2026
Atlanta (ATL) to Melbourne (MLB) effectively runs on two schedules. In October 2024, 92% of arrivals were on time; in June 2025 that fell to 71% — a 21-point seasonal swing. Across the full period the route averages 82% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 80%), which matters most in the rough months.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 1.6%
- Flights/day
- 4.0
- last 12 months
- Duration
- 1h 29m
- scheduled
- Distance
- 443 mi
Monthly on-time trend
Best time to fly from ATL to MLB
Aim for departures around 8 a.m. (90% on-time); avoid 5 p.m. departures (72%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 15 min |
| Tuesday | 84% | 10 min |
| Wednesdaybest | 85% | 12 min |
| Thursday | 84% | 8 min |
| Friday | 81% | 12 min |
| Saturday | 83% | 10 min |
| Sunday | 79% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft26%
- Airline operations54%
- National airspace system16%
- Weather4%
Frequently asked questions
- How often are flights from ATL to MLB delayed?
- 18% of ATL–MLB flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 12 minutes.
- What is the best time of day to fly from ATL to MLB?
- Departures around 8 a.m. have the best record (90% on-time), while departures around 5 p.m. have the worst (72%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ATL to MLB?
- The scheduled ATL–MLB flight time averages 1h 29m over 443 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are ATL to MLB flights cancelled?
- 1.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from ATL to MLB?
- June 2025 was the roughest month in this dataset, with only 71% of arrivals on time. The best was October 2024 at 92%. If your dates are flexible, that 21-point gap is worth planning around.
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Based on 2,825 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.