Jacksonville (JAX) to Chicago (ORD): On-Time Performance
Data through July 2026
When you fly JAX to ORD matters as much as anything else about the booking: the route swung from 92% on-time in October 2024 to just 67% in January 2026. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 65%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 1.9%
- Flights/day
- 5.8
- last 12 months
- Duration
- 2h 48m
- scheduled
- Distance
- 864 mi
Best airline from JAX to ORD
5 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 83% | 11 min | 1.5% | 731 |
| Republic Airways | 81% | 14 min | 3.4% | 469 |
| United Airlines | 80% | 17 min | 1.1% | 1,787 |
| American Airlines | 78% | 29 min | 3.0% | 639 |
| SkyWest Airlines | 77% | 17 min | 2.6% | 311 |
Monthly on-time trend
Best time to fly from JAX to ORD
Aim for departures around 5 a.m. (93% on-time); avoid 5 p.m. departures (61%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 17 min |
| Tuesdaybest | 83% | 14 min |
| Wednesday | 80% | 17 min |
| Thursday | 83% | 11 min |
| Friday | 77% | 23 min |
| Saturday | 83% | 21 min |
| Sunday | 78% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft31%
- Airline operations34%
- National airspace system29%
- Weather6%
Frequently asked questions
- How often are flights from JAX to ORD delayed?
- 20% of JAX–ORD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 18 minutes.
- Which airline is most reliable from JAX to ORD?
- Envoy Air has the best on-time record on this route at 83%, based on 731 flights. 5 airlines flew JAX–ORD frequently enough to compare in this period.
- What is the best time of day to fly from JAX to ORD?
- Departures around 5 a.m. have the best record (93% on-time), while departures around 5 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from JAX to ORD?
- The scheduled JAX–ORD flight time averages 2h 48m over 864 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are JAX to ORD flights cancelled?
- 1.9% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from JAX to ORD?
- January 2026 was the roughest month in this dataset, with only 67% of arrivals on time. The best was October 2024 at 92%. If your dates are flexible, that 25-point gap is worth planning around.
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Based on 3,938 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.