Route Reliability
Chicago → Salt Lake City
ORD–SLC · 1,250 miles · Chicago O'Hare International Airport to Salt Lake City International Airport
- 70%
- Arrive within 15 minutes
- 20 min
- Average arrival delay
- 1.0%
- Cancelled
- 3,174
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines72%1,122 flights
- 2.Delta Air Lines72%1,011 flights
- 3.American Airlines65%1,041 flights
What the data says
Morning flights do better here.
ORD–SLC flights departing between 6–9 AM arrived on time 80% of the time, versus 57% between 9 PM–12 AM.
Sunday scaries are real for this one.
ORD–SLC flights arrived on time 76% of the time on Tuesdays. On Sundays: 64%.
United Airlines runs this route best.
United Airlines arrived on time 72% of the time on this route; American Airlines managed 65%.
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
- Mon67%(466 flights)
- Tue76%(436 flights)
- Wed70%(424 flights)
- Thu69%(465 flights)
- Fri68%(460 flights)
- Sat75%(411 flights)
- Sun64%(471 flights)
- 6–9 AM80%(506 flights)
- 9 AM–12 PM72%(680 flights)
- 12–3 PM75%(889 flights)
- 3–6 PM64%(175 flights)
- 6–9 PM58%(815 flights)
- 9 PM–12 AM57%(68 flights)
Jun 65% → May 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 65% | 264 |
| July 2025 | 62% | 268 |
| August 2025 | 71% | 255 |
| September 2025 | 80% | 243 |
| October 2025 | 73% | 264 |
| November 2025 | 72% | 234 |
| December 2025 | 58% | 239 |
| January 2026 | 68% | 236 |
| February 2026 | 76% | 280 |
| March 2026 | 66% | 307 |
| April 2026 | 71% | 261 |
| May 2026 | 73% | 282 |
Same trip, other airports
Keep nerding
Based on 3,174 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.