Route Reliability
Chicago → Sacramento
ORD–SMF · 1,781 miles · Chicago O'Hare International Airport to Sacramento International Airport
- 69%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 0.9%
- 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 Airlines70%988 flights
- 2.American Airlines64%319 flights
What the data says
Morning flights do better here.
ORD–SMF flights departing between 6–9 AM arrived on time 91% of the time, versus 40% between 9 PM–12 AM.
Saturday is the weak spot.
ORD–SMF flights arrived on time 73% of the time on Tuesdays. On Saturdays: 65%.
United Airlines has a slight edge here.
United Airlines arrived on time 70% of the time on this route; American Airlines managed 64%.
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
- Mon72%(185 flights)
- Tue73%(186 flights)
- Wed69%(184 flights)
- Thu66%(184 flights)
- Fri68%(185 flights)
- Sat65%(178 flights)
- Sun68%(191 flights)
- 6–9 AM91%(76 flights)
- 9 AM–12 PM78%(489 flights)
- 12–3 PM81%(32 flights)
- 3–6 PM69%(314 flights)
- 6–9 PM52%(372 flights)
- 9 PM–12 AM40%(10 flights)
Jun 76% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 76% | 119 |
| July 2025 | 59% | 123 |
| August 2025 | 66% | 121 |
| September 2025 | 80% | 117 |
| October 2025 | 73% | 122 |
| November 2025 | 68% | 88 |
| December 2025 | 59% | 75 |
| January 2026 | 66% | 67 |
| February 2026 | 77% | 56 |
| March 2026 | 60% | 110 |
| April 2026 | 63% | 146 |
| May 2026 | 77% | 149 |
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.