Route · ORD → SNA · 2020–2025 BTS data
Chicago to Santa Ana
The ORD–SNA corridor (Chicago, IL → Santa Ana, CA) runs ahead of the national average, served by 2 carriers across roughly 1,726 miles.
Data updated 2026-06-13
- 83.2%
- On-time
- +4.2 pts
- vs US avg
- 60 min
- Delay when late
- 11,655
- Flights
Cancelled
0.5%
Best Month
May 2025 91%
Worst Month
May 2024 70%
Distance
1,726 mi
Carriers
2
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 177 | 41 | 1 | 4 | AA,UA |
| Nov 2025 | 173 | 32 | 6 | 1 | UA,AA |
| Oct 2025 | 208 | 59 | 0 | 0 | AA,UA |
| Sep 2025 | 190 | 43 | 0 | 1 | UA,AA |
| Aug 2025 | 206 | 47 | 4 | 4 | AA,UA |
| Jul 2025 | 205 | 50 | 2 | 2 | AA,UA |
| Jun 2025 | 202 | 44 | 1 | 2 | AA,UA |
| May 2025 | 210 | 18 | 1 | 4 | AA,UA |
| Apr 2025 | 195 | 34 | 1 | 0 | UA,AA |
| Mar 2025 | 176 | 29 | 0 | 2 | AA,UA |
| Feb 2025 | 160 | 33 | 0 | 1 | AA,UA |
| Jan 2025 | 179 | 30 | 0 | 2 | AA,UA |
| Dec 2024 | 170 | 23 | 0 | 2 | AA,UA |
| Nov 2024 | 159 | 24 | 0 | 0 | UA,AA |
| Oct 2024 | 166 | 21 | 0 | 0 | UA,AA |
| Sep 2024 | 162 | 35 | 0 | 0 | UA,AA |
| Aug 2024 | 168 | 40 | 0 | 3 | AA,UA |
| Jul 2024 | 171 | 46 | 1 | 0 | AA,UA |
| Jun 2024 | 172 | 46 | 0 | 2 | AA,UA |
| May 2024 | 210 | 63 | 1 | 3 | AA,UA |
| Apr 2024 | 204 | 27 | 0 | 1 | AA,UA |
| Mar 2024 | 197 | 25 | 1 | 3 | AA,UA |
| Feb 2024 | 164 | 23 | 1 | 1 | AA,UA |
| Jan 2024 | 176 | 41 | 1 | 2 | AA,UA |
Cancellation Rate
0.5%
21 of 4,400 flights
Diversion Rate
0.9%
40 of 4,400 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Origin airport →SNA - Santa Ana
Full on-time, delay-cause, and seasonal performance for Santa Ana, CA.
Destination airport →Compare the two airports
See ORD and SNA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ORD–SNA.
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What the Data Says About ORD to SNA
Bureau of Transportation Statistics records show Chicago to Santa Ana (ORD to SNA) running a 83.2% on-time rate over 11,655 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 59.6 minutes. The 1,726-mile corridor is served by 2 carriers, and over the last 24 months 0.5% of 4,400 flights were cancelled, 0.9% diverted.
The monthly split is wide on this route: May 2025 posted the strongest performance at 91% on-time, while May 2024 came in at just 70% - a 21-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.