Chicago (ORD) to San Antonio (SAT)
Flight time
≈ 2h 53m
Bearing
218° SW
Chicago (ORD) to San Antonio (SAT) is 1,042 miles (1,677 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies ORD–SAT
US DOT T-100 · filed dataIn April 2026, United Airlines operated the most departures, one of 3 carriers flying nonstop ORD–SAT; the Embraer E175 was the most common aircraft at 50% of departures; flights ran 84% full.
Departures
339
April 2026
Seats
38,616
both directions
Passengers
32,497
both directions
Load factor
84.2%
passengers ÷ seats
Who flies ORD–SAT?
United Airlines operated the most nonstop ORD–SAT departures in April 2026 (170), one of 3 carriers on the route.
- UA
United Airlines
170 departures · 25,772 seats
Share of departures50.1%81.4%
Load
- MQ
Envoy Air
160 departures · 12,160 seats
Share of departures47.2%89.7%
Load
- YX
Republic Airways
9 departures · 684 seats
Share of departures2.7%89.6%
Load
What plane flies ORD–SAT?
In April 2026, the Embraer E175 flew 50% of ORD–SAT departures — more than any other aircraft type.
- Embraer E175
169 departures · 89.7% load
49.9% - Boeing 737-800
68 departures · 82.4% load
20.1% - Airbus A320
42 departures · 81.7% load
12.4% - Airbus A319
38 departures · 80.4% load
11.2% - Boeing 737-700
9 departures · 91.7% load
2.6% - Boeing 737 MAX 9
6 departures · 78.0% load
1.8% - Boeing 737 MAX 8
5 departures · 68.3% load
1.5% - Boeing 737-900ER
2 departures · 64.0% load
0.6%
How has ORD–SAT traffic changed?
Nonstop ORD–SAT departures rose from 337 in May 2025 to 339 in April 2026.
Monthly nonstop ORD–SAT traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
337 departures · 37,078 passengers
75.3%
Load
June 2025
331 departures · 39,608 passengers
80.0%
Load
July 2025
323 departures · 36,842 passengers
80.4%
Load
August 2025
297 departures · 29,919 passengers
77.7%
Load
September 2025
300 departures · 28,793 passengers
79.1%
Load
October 2025
358 departures · 37,899 passengers
78.7%
Load
November 2025
306 departures · 30,367 passengers
74.4%
Load
December 2025
316 departures · 29,292 passengers
74.5%
Load
January 2026
277 departures · 24,645 passengers
73.6%
Load
February 2026
288 departures · 24,911 passengers
81.6%
Load
March 2026
347 departures · 30,734 passengers
86.3%
Load
April 2026
339 departures · 32,497 passengers
84.2%
Load
By direction
The DOT files each direction separately — they rarely match.
ORD → SAT
82.0% full
171 departures · 15,777 passengers
SAT → ORD
86.4% full
168 departures · 16,720 passengers
Nonstop ORD–SAT traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Chicago (ORD) from San Antonio (SAT)?
ORD to SAT is 1,042 miles (1,677 km / 906 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ORD to SAT?
A nonstop covers the 1,042-mile great-circle distance in roughly 2h 53m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ORD–SAT?
In April 2026, the Embraer E175 flew the largest share of departures (49.9%), followed by the Boeing 737-800 (20.1%).
What mileage do I earn flying ORD–SAT?
Distance-based programs credit off the 1,042-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
Keep exploring
Every route below is its own page.
Other routes from ORD
Popular long-haul routes