Chicago (ORD) to Jacksonville (JAX): On-Time Performance
Data through May 2026
Chicago (ORD) to Jacksonville (JAX) effectively runs on two schedules. In May 2025, 87% of arrivals were on time; in July 2025 that fell to 58% — a 29-point seasonal swing. Across the full period the route averages 76% on-time against a national 78%. Morning departures also hold up better than evening ones (82% vs 68%), which matters most in the rough months.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 5.5
- last 12 months
- Duration
- 2h 32m
- scheduled
- Distance
- 864 mi
Best airline from ORD to JAX
5 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 85% | 10 min | 0.5% | 221 |
| Republic Airways | 82% | 11 min | 1.8% | 453 |
| Envoy Air | 77% | 14 min | 1.3% | 765 |
| United Airlines | 76% | 18 min | 0.7% | 1,693 |
| American Airlines | 68% | 33 min | 2.0% | 543 |
Monthly on-time trend
Best time to fly from ORD to JAX
Aim for departures around 3 p.m. (90% on-time); avoid 1 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 18 min |
| Tuesdaybest | 80% | 16 min |
| Wednesday | 78% | 15 min |
| Thursday | 78% | 15 min |
| Friday | 72% | 21 min |
| Saturday | 78% | 17 min |
| Sunday | 73% | 23 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft52%
- Airline operations24%
- National airspace system19%
- Weather6%
Frequently asked questions
- How often are flights from ORD to JAX delayed?
- 24% of ORD–JAX 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 18 minutes.
- Which airline is most reliable from ORD to JAX?
- SkyWest Airlines has the best on-time record on this route at 85%, based on 221 flights. 5 airlines flew ORD–JAX frequently enough to compare in this period.
- What is the best time of day to fly from ORD to JAX?
- Departures around 3 p.m. have the best record (90% on-time), while departures around 1 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to JAX?
- The scheduled ORD–JAX flight time averages 2h 32m over 864 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are ORD to JAX flights cancelled?
- 1.1% 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 ORD to JAX?
- July 2025 was the roughest month in this dataset, with only 58% of arrivals on time. The best was May 2025 at 87%. If your dates are flexible, that 29-point gap is worth planning around.
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Based on 3,676 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.