ON TIMEBOARD

SAT → DFW on time

San Antonio (San Antonio, TX) to Dallas/Fort Worth (Dallas/Fort Worth, TX). Every scheduled flight, September 2025 to August 2026.

On time
77%
arrived < 15 min late
Cancelled
2.8%
4,374 flights
Typical arrival
−8 min
median vs schedule
When late
+104 min
average delay
Flights / day
12
1 airline

77% of flights from San Antonio to Dallas arrived on time over the past 12 months. That is about the typical U.S. route. The 5 a.m. departures ran on time 89% of the time; the 8 p.m. ones 57%. 12% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for SAT → DFW: when a flight was late, it was under 45 minutes late 43% of the time. About 1 in 11 flights landed an hour or more late, and 1 in 35 three hours or more; 2.8% were cancelled outright.

Share of all 4,374 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines4,37477%2.8%−8 min9.1%+104 minAmerican Airlines 81%, Envoy 12%, SkyWest 7%, PSA Airlines 0%

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at SAT). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: 89% on time (336 flights)895a6 a.m. departures: 87% on time (384 flights)876a7 a.m. departures: 86% on time (366 flights)867a8 a.m. departures: 82% on time (346 flights)828a9 a.m. departures: 84% on time (359 flights)849a10 a.m. departures: 80% on time (324 flights)8010a11 a.m. departures: 83% on time (263 flights)8311anoon departures: 73% on time (216 flights)7312p1 p.m. departures: 73% on time (288 flights)731p2 p.m. departures: 74% on time (133 flights)742p3 p.m. departures: 75% on time (197 flights)753p4 p.m. departures: 64% on time (360 flights)644p5 p.m. departures: 68% on time (226 flights)685p6 p.m. departures: 76% on time (160 flights)766p7 p.m. departures: 59% on time (205 flights)597p8 p.m. departures: 57% on time (211 flights)578p
SAT → DFW, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On SAT → DFW, each airline's last flight of the day was cancelled 4.7% of the time, against 2.7% for its earlier flights (1.7× as often). It arrived 3+ hours late 3.6% of the time (earlier flights: 2.8%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
American Airlines8:23 p.m.4.7%3.6%2.7%first flight 5:01 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in DFW tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: February (80%). Worst: July (66%).

40%70%100%Jan: 72% on time (1,097 flights)72JanFeb: 80% on time (990 flights)80FebMar: 73% on time (1,105 flights)73MarApr: 71% on time (1,087 flights)71AprMay: 67% on time (1,135 flights)67MayJun: 67% on time (1,133 flights)67JunJul: 66% on time (1,220 flights)66JulAug: 73% on time (1,208 flights)73AugSep: 79% on time (1,074 flights)79SepOct: 80% on time (1,185 flights)80OctNov: 79% on time (1,077 flights)79NovDec: 78% on time (1,070 flights)78Dec

By day of week

DayFlightsOn timeCancelled
Monday64073%3.4%
Tuesday59679%3.2%
Wednesday61382%1.1%
Thursday64083%1.6%
Friday63079%2.7%
Saturday60671%4.5%
Sunday64972%3.4%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 44%Airline (crew, maintenance, ops) 24%Severe weather 23%Air traffic & airport (NAS) 9%

Cancellations: weather 107 · airline 15 · air traffic/airport 2

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 80% on time, 0.0% cancelledOct 2023: 74% on time, 2.7% cancelledNov 2023: 85% on time, 0.0% cancelledDec 2023: 83% on time, 0.0% cancelledJan 2024: 69% on time, 3.5% cancelledFeb 2024: 73% on time, 0.0% cancelledMar 2024: 64% on time, 1.4% cancelledApr 2024: 69% on time, 1.7% cancelledMay 2024: 57% on time, 8.7% cancelledJun 2024: 69% on time, 3.2% cancelledJul 2024: 60% on time, 3.9% cancelledAug 2024: 73% on time, 2.3% cancelledSep 2024: 76% on time, 0.0% cancelledOct 2024: 84% on time, 0.0% cancelledNov 2024: 80% on time, 3.3% cancelledDec 2024: 70% on time, 2.8% cancelledJan 2025: 75% on time, 7.0% cancelledFeb 2025: 79% on time, 1.8% cancelledMar 2025: 75% on time, 3.3% cancelledApr 2025: 66% on time, 5.3% cancelledMay 2025: 68% on time, 4.3% cancelledJun 2025: 67% on time, 3.9% cancelledJul 2025: 64% on time, 4.3% cancelledAug 2025: 64% on time, 4.2% cancelledSep 2025: 80% on time, 3.3% cancelledOct 2025: 80% on time, 1.6% cancelledNov 2025: 70% on time, 3.2% cancelledDec 2025: 81% on time, 0.0% cancelledJan 2026: 73% on time, 9.3% cancelledFeb 2026: 87% on time, 1.3% cancelledMar 2026: 79% on time, 1.9% cancelledApr 2026: 77% on time, 1.1% cancelledMay 2026: 74% on time, 5.4% cancelledJun 2026: 64% on time, 5.7% cancelledJul 2026: 75% on time, 1.0% cancelledAug 2026: 84% on time, 0.3% cancelled
Share of flights on time, by month (hover a point for cancellations)
SAT → DFW, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AA 26165:00 a.m.18293%0.5%−15 minAmerican Airlines
AA 22666:00 a.m.15484%3.3%−9 minAmerican Airlines
AA 23426:00 a.m.36487%3.6%−10 minAmerican Airlines
AA 30987:00 a.m.20885%1.9%−15 minAmerican Airlines
AA 23778:00 a.m.20984%3.8%−13 minAmerican Airlines
AA 4131:40 p.m.36168%1.9%−3 minAmerican Airlines
AA 26093:11 p.m.17572%3.4%−5 minAmerican Airlines
AA 19614:40 p.m.17968%4.5%+3 minAmerican Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Jun 19, 2026130%4
Jan 26, 2026120%9
Mar 7, 2026110%2
Jan 25, 2026110%7
Jul 13, 2026138%0

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of San Antonio or Dallas. SAT → DAL has been 5 points more reliable.

RouteFlightsOn timeCancelled
SAT → DFW (this route)4,37477%2.8%
SAT → DAL San Antonio to Dallas Love Field2,74082%1.1%

Questions

How often are flights from SAT to DFW on time?

77% of 4,374 scheduled flights from San Antonio, TX to Dallas/Fort Worth, TX arrived within 15 minutes of schedule between September 2025 and August 2026. 2.8% were cancelled.

What is the best time of day to fly SAT to DFW?

Flights scheduled to leave at 5 a.m. were the most reliable (89% on time). The 8 p.m. departures were the least (57%).

What month has the most delays from SAT to DFW?

July (66% on time). The best month is February (80%), over 2023–2026.

Is the last flight of the day from SAT to DFW more likely to be cancelled?

Yes. Each airline's last SAT–DFW flight of the day was cancelled 4.7% of the time over the past year, against 2.7% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.