Route Reliability
Chicago → Bozeman
ORD–BZN · 1,185 miles · Chicago O'Hare International Airport to Bozeman Yellowstone International Airport
- 69%
- Arrive within 15 minutes
- 16 min
- Average arrival delay
- 0.7%
- Cancelled
- 1,240
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines72%739 flights
- 2.American Airlines66%501 flights
What the data says
Morning flights do better here.
ORD–BZN flights departing between 6–9 AM arrived on time 77% of the time, versus 53% between 6–9 PM.
Friday is doing you no favors.
ORD–BZN flights arrived on time 77% of the time on Wednesdays and just 62% on Fridays. That gap is worth planning around.
United Airlines has a slight edge here.
United Airlines arrived on time 72% of the time on this route; American Airlines managed 66%.
Trending in the right direction.
ORD–BZN flights arrived on time 70% of the time over the last three months in the data, compared with 62% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon71%(184 flights)
- Tue71%(146 flights)
- Wed77%(146 flights)
- Thu73%(186 flights)
- Fri62%(188 flights)
- Sat70%(188 flights)
- Sun63%(188 flights)
- 6–9 AM77%(111 flights)
- 9 AM–12 PM74%(674 flights)
- 12–3 PM68%(120 flights)
- 3–6 PM68%(102 flights)
- 6–9 PM53%(219 flights)
Jun 78% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 78% | 134 |
| July 2025 | 59% | 140 |
| August 2025 | 73% | 139 |
| September 2025 | 81% | 132 |
| October 2025 | 68% | 114 |
| November 2025 | 90% | 30 |
| December 2025 | 58% | 83 |
| January 2026 | 60% | 102 |
| February 2026 | 69% | 96 |
| March 2026 | 54% | 114 |
| April 2026 | 75% | 47 |
| May 2026 | 81% | 95 |
Same trip, other airports
Keep nerding
Based on 1,240 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.