Route · ORD → SAT · 2020–2025 BTS data
Chicago to San Antonio
The ORD–SAT corridor (Chicago, IL → San Antonio, TX) runs behind the national average, served by 37 carriers across roughly 1,041 miles.
Data updated 2026-06-13
- 78.5%
- On-time
- -0.5 pts
- vs US avg
- 71 min
- Delay when late
- 8,402
- Flights
Cancelled
1.2%
Best Month
Oct 2024 93%
Worst Month
Jul 2024 57%
Distance
1,041 mi
Carriers
37
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 160 | 40 | 2 | 0 | YX,AA,UA,OO |
| Nov 2025 | 160 | 25 | 7 | 0 | OO,UA,AA |
| Oct 2025 | 179 | 29 | 0 | 0 | AA,OO,UA,YX |
| Sep 2025 | 151 | 32 | 1 | 0 | UA,OO,YX,AA |
| Aug 2025 | 155 | 38 | 5 | 0 | AA,OO,UA |
| Jul 2025 | 167 | 51 | 5 | 0 | AA,OO,UA |
| Jun 2025 | 168 | 55 | 2 | 1 | AA,OO,UA |
| May 2025 | 171 | 42 | 1 | 2 | AA,OO,UA |
| Apr 2025 | 168 | 49 | 1 | 0 | OO,UA,AA |
| Mar 2025 | 136 | 25 | 1 | 1 | AA,OO,UA |
| Feb 2025 | 100 | 22 | 0 | 0 | AA,OO,UA,MQ |
| Jan 2025 | 109 | 31 | 1 | 0 | AA,UA,YX,MQ |
| Dec 2024 | 119 | 23 | 1 | 0 | AA,UA,YX |
| Nov 2024 | 113 | 24 | 0 | 2 | UA,MQ,AA |
| Oct 2024 | 137 | 9 | 0 | 0 | UA,OO,AA |
| Sep 2024 | 136 | 18 | 0 | 0 | OO,UA,AA |
| Aug 2024 | 125 | 32 | 1 | 0 | AA,OO,UA |
| Jul 2024 | 118 | 51 | 3 | 0 | AA,UA |
| Jun 2024 | 116 | 40 | 2 | 0 | AA,UA |
| May 2024 | 122 | 48 | 2 | 1 | AA,UA |
| Apr 2024 | 116 | 35 | 0 | 0 | AA,MQ,UA |
| Mar 2024 | 115 | 35 | 1 | 0 | AA,MQ,UA |
| Feb 2024 | 104 | 19 | 0 | 0 | AA,UA |
| Jan 2024 | 108 | 42 | 3 | 0 | AA,UA |
Cancellation Rate
1.2%
39 of 3,253 flights
Diversion Rate
0.2%
7 of 3,253 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 →SAT - San Antonio
Full on-time, delay-cause, and seasonal performance for San Antonio, TX.
Destination airport →Compare the two airports
See ORD and SAT 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–SAT.
Routes with a similar on-time rate
What the Data Says About ORD to SAT
8,402 tracked flights put the ORD to SAT pairing (Chicago to San Antonio) at a 78.5% on-time rate, squarely in line with the wider network. Delays that do occur run 71.2 minutes on average. Across the 1,041-mile route and its 37 carriers, the trailing 24 months show 1.2% cancelled and 0.2% diverted (3,253 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 93% on-time, while Jul 2024 came in at just 57% - a 37-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from ORD to SAT? ▼
What is the cancellation rate for ORD to SAT? ▼
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Flight Guides
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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.