Route Reliability
Sacramento → Chicago
SMF–ORD · 1,781 miles · Sacramento International Airport to Chicago O'Hare International Airport
- 77%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 1.0%
- Cancelled
- 1,307
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines80%987 flights
- 2.American Airlines68%320 flights
What the data says
Morning flights do better here.
SMF–ORD flights departing between 6–9 AM arrived on time 90% of the time, versus 63% between 3–6 PM.
Sunday scaries are real for this one.
SMF–ORD flights arrived on time 82% of the time on Thursdays. On Sundays: 71%.
United Airlines runs this route best.
United Airlines arrived on time 80% of the time on this route; American Airlines managed 68%.
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
- Mon75%(187 flights)
- Tue80%(181 flights)
- Wed78%(183 flights)
- Thu82%(181 flights)
- Fri78%(176 flights)
- Sat77%(183 flights)
- Sun71%(192 flights)
- 12–3 AM72%(46 flights)
- 6–9 AM90%(354 flights)
- 9 AM–12 PM82%(301 flights)
- 12–3 PM64%(282 flights)
- 3–6 PM63%(86 flights)
- 9 PM–12 AM73%(214 flights)
Jun 68% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 68% | 119 |
| July 2025 | 53% | 118 |
| August 2025 | 68% | 120 |
| September 2025 | 82% | 116 |
| October 2025 | 85% | 123 |
| November 2025 | 78% | 87 |
| December 2025 | 79% | 75 |
| January 2026 | 79% | 67 |
| February 2026 | 91% | 56 |
| March 2026 | 77% | 109 |
| April 2026 | 82% | 142 |
| May 2026 | 87% | 151 |
Same trip, other airports
Keep nerding
Based on 1,307 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.