SAT to DAL flight delays & on-time performance
Nonstop flights from San Antonio International Airport to Dallas Love Field · 247 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SAT or DAL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from San Antonio (SAT) to Dallas (DAL) arrived on time 83% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.1% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 8am did best (100% on time); around 8pm did worst (62%).
- Tuesday was the most reliable day to fly (89% on time) and Thursday the least (80%).
- The largest source of delay minutes was late-arriving aircraft (56%).
Which airline is most on time from SAT to DAL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 83% | 1.1% | 11 min | 5.0% | 2,743 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am93%229 flights
- 6am95%125 flights
- 7am97%225 flights
- 8am100%111 flights
- 9am90%136 flights
- 10am94%170 flights
- 11am86%178 flights
- 12pm90%243 flights
- 1pm87%128 flights
- 2pm77%160 flights
- 3pm72%154 flights
- 4pm72%77 flights
- 5pm75%169 flights
- 6pm68%196 flights
- 7pm69%186 flights
- 8pm62%122 flights
- 9pm76%134 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday81%1.4% cancelled
- Tuesday89%0.7% cancelled
- Wednesday86%0.5% cancelled
- Thursday80%0.2% cancelled
- Friday80%1.6% cancelled
- Saturday86%1.4% cancelled
- Sunday80%2.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft56%
- Air traffic control & airport congestion24%
- Airline (crew, maintenance, cleaning, fueling)16%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather68%
- Airline (crew, maintenance, cleaning, fueling)23%
- Air traffic control & airport congestion10%
- Security0%
SAT to DAL: common questions
- How often are SAT to DAL flights on time?
- 83% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from San Antonio to Dallas cancelled?
- 1.1% of scheduled flights were cancelled (31 of 2,743).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 58 min behind schedule on average, and 5.0% of flights were an hour or more late.
- How long is taxi time at SAT?
- Flights on this route spent 11 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DAL to SAT — 77% on time
More flights from San Antonio
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SAT → DAL, nonstop flights by US airlines that report to the DOT. How we calculate this.