Route Reliability
Chicago → SCE
ORD–SCE · 528 miles · Chicago O'Hare International Airport to SCE Airport
- 69%
- Arrive within 15 minutes
- 21 min
- Average arrival delay
- 3.2%
- Cancelled
- 1,505
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 69% of the time across 1,505 flights. No comparison to make.
What the data says
Morning-you made the right choice.
ORD–SCE flights departing between 9 AM–12 PM arrived on time 76% of the time, versus 58% between 3–6 PM.
Friday has been the better bet.
A small edge: 71% on time on Fridays against 68% on Sundays.
Keep a backup plan handy.
This route was cancelled 3.2% of the time. Typical for U.S. flights is around 1–2%.
Slipping a little lately.
ORD–SCE flights arrived on time 64% of the time over the last three months in the data, compared with 68% 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
- Mon69%(212 flights)
- Tue70%(190 flights)
- Wed69%(196 flights)
- Thu68%(213 flights)
- Fri71%(216 flights)
- Sat70%(199 flights)
- Sun68%(222 flights)
- 6–9 AM75%(296 flights)
- 9 AM–12 PM76%(331 flights)
- 12–3 PM68%(348 flights)
- 3–6 PM58%(146 flights)
- 6–9 PM61%(230 flights)
- 9 PM–12 AM72%(97 flights)
Jun 80% → May 68% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 112 |
| July 2025 | 66% | 111 |
| August 2025 | 79% | 112 |
| September 2025 | 78% | 110 |
| October 2025 | 75% | 118 |
| November 2025 | 63% | 136 |
| December 2025 | 65% | 99 |
| January 2026 | 64% | 102 |
| February 2026 | 76% | 106 |
| March 2026 | 65% | 121 |
| April 2026 | 61% | 162 |
| May 2026 | 68% | 159 |
Keep nerding
Based on 1,505 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.