68% of flights from Jackson to Chicago arrived on time over the past 12 months. That is worse than the typical U.S. route. The noon departures ran on time 74% of the time; the 3 p.m. ones 54%. Most reliable airline: United Airlines (74%). 18% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for JAC → ORD: when a flight was late, it was under 45 minutes late 35% of the time. About 1 in 7 flights landed an hour or more late, and 1 in 20 three hours or more; 2.1% were cancelled outright.
- On time or early68%
- 15–30 min late6.6%
- 30–60 min late7.8%
- 1–2 hours late6.0%
- 2–3 hours late3.5%
- 3+ hours late5.0%
- Diverted1.2%
- Cancelled2.1%
Share of all 823 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| United Airlines | 422 | 74% | 2.6% | −8 min | 10.0% | +106 min | United Airlines |
| American Airlines | 401 | 62% | 1.5% | +2 min | 19.2% | +123 min | American Airlines |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at JAC). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | United Airlines | American Airlines |
|---|---|---|
| 7 a.m. | 73% | — |
| noon | 74% | — |
| 1 p.m. | — | 64% |
| 3 p.m. | — | 54% |
Last flight of the day
On JAC → ORD, each airline's last flight of the day was cancelled 1.8% of the time, against 2.8% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 4.9% of the time (earlier flights: 6.6%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.
| Airline | Last departure | Last: cancelled | Last: 3h+ late | Earlier: cancelled | Next morning |
|---|---|---|---|---|---|
| American Airlines | 3:39 p.m. | 1.5% | 6.5% | 1.5% | first flight 1:43 p.m. |
| United Airlines | 12:33 p.m. | 2.0% | 3.4% | 4.0% | first flight 7:30 a.m. |
Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.
By month
Each calendar month pooled over 2023–2026. Best: October (81%). Worst: August (62%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 118 | 59% | 3.4% |
| Tuesday | 107 | 80% | 0.9% |
| Wednesday | 107 | 74% | 1.9% |
| Thursday | 120 | 68% | 2.5% |
| Friday | 118 | 63% | 0.0% |
| Saturday | 126 | 70% | 2.4% |
| Sunday | 127 | 63% | 3.1% |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: weather 10 · airline 7
Month by month
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Jul 4, 2026 | 4 | 0% | 1 |
| Jun 23, 2026 | 4 | 0% | 0 |
| Aug 31, 2026 | 4 | 0% | 0 |
| Jun 11, 2026 | 4 | 0% | 2 |
| Jul 27, 2026 | 4 | 0% | 2 |
Questions
How often are flights from JAC to ORD on time?
68% of 823 scheduled flights from Jackson, WY to Chicago, IL arrived within 15 minutes of schedule between September 2025 and August 2026. 2.1% were cancelled.
What is the best time of day to fly JAC to ORD?
Flights scheduled to leave at noon were the most reliable (74% on time). The 3 p.m. departures were the least (54%).
Which airline is most on time from JAC to ORD?
United Airlines: 74% of its 422 flights on the route arrived on time. American Airlines: 62%.
What month has the most delays from JAC to ORD?
August (62% on time). The best month is October (81%), over 2023–2026.
Is the last flight of the day from JAC to ORD more likely to be cancelled?
No, the opposite. Each airline's last JAC–ORD flight of the day was cancelled 1.8% of the time over the past year, against 2.8% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.
Related
- ORD → JAC (return)
- Jackson Hole (JAC) delays by hour
- Flights into Chicago O'Hare (ORD)
- United Airlines on-time record
- American Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.