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DelayAtlas

Carrier route record

OODFWSAT

SkyWest Airlines · Dallas-Fort Worth to San Antonio

Flights
367
Period
July 2025 to June 2026
Share of route
8%
Carriers
4
BGRADE

Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with SkyWest Airlines.

SkyWest on DFW to SAT lands a B, 6 points better than the national rate of 77.6%. About one flight in six arrives 15 minutes late or worse, and those flights are late by a little over an hour on average. That is a workable record, not a spotless one. That rests on 367 flights. The strongest carrier on the route with a full sample, Envoy Air, flew 460 at 75.8% on time.

Set against the rest of the country, SkyWest's DFW to SAT record is 6 points better than the US average of 77.6%. That gap is worth roughly 61 fewer late arrivals for every thousand flights.

Key figures

On time

83.7%

Arrivals under 15 minutes late, of 355 completed flights

Avg delay

72 min

Across delayed arrivals only, not all flights

Cancelled

3.00%

National rate is 1.81%

Whole route

67.0%

Every carrier on DFW to SAT, 4,383 flights

These figures cover 367 flights between July 2025 and June 2026. Beyond the headline rate, 8.5% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.

Carrier by carrier

SkyWest against every carrier on DFW to SAT

SkyWest flew 367 of the 4,383 flights on DFW to SAT, about 8% of it. Its 83.7% on time is 17 points better than the route as a whole, which runs 67.0%. Ranked by on-time rate it is first of four carriers on the route, where the range runs from SkyWest at 83.7% to American at 64.1%. One of those carriers flew fewer than 365 flights here, so treat their positions as rough.

The choice of carrier is not cosmetic here. Envoy Air arrives on time 75.8% of the time; American Airlines manages 64.1%. Sample sizes sit next to every figure, because a two-point gap across 3,551 flights means less than a ten-point one.

On-time performance by carrier on DFW to SAT
AirlineFlightsOn timeAvg delayCancelledGrade
SkyWest Airlines (this page)36783.7%72 min3.00%B
PSA Airlinesthin sample580.0%15 min0.00%B+
Envoy Air46075.8%54 min3.48%B−
American Airlines3,55164.1%82 min3.55%D−

American Airlines cancels 3.5% of what it schedules here, the highest in the table. A cancelled flight never appears in an on-time rate, so read that column alongside the punctuality one rather than after it.

Departure window

When SkyWest runs best on this route

Departure time matters more here than the choice of carrier. The gap between the best and worst window is 21 points, against 12 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.

  • 5am–8am
  • 8am–11am265 flights87.6%
  • 11am–2pm27 flights
  • 2pm–5pm42 flights74.4%
  • 5pm–8pm33 flights66.7%
  • 8pm–5am

Scale runs 60% to 95%. Rows with fewer than 30 flights show a dash.

Book the morning departure. Flights leaving between 8am–11am arrive on time 87.6% of the time, against 66.7% for the evening window. That is 21 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 8am–11am window is the busiest, with 265 flights scheduled in it.

Across the year

SkyWest on DFW to SAT through the year

  • Jul–Sep 202594 flights76.7%
  • Oct–Dec 2025116 flights85.1%
  • Jan–Mar 202695 flights91.1%
  • Apr–Jun 202662 flights80.3%

Scale runs 70% to 95%. Rows with fewer than 30 flights show a dash.

Monthly volumes are too low here to break the year into twelve reliable readings. What the twelve-month total says is 83.7% on time across 367 flights.

SkyWest on DFW to SAT did not run the same all year. Its best quarter was Jan–Mar 2026 at 91.1% on time and its weakest Jul–Sep 2025 at 76.7%, a swing of 14 points on roughly 92 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.

Across the week, Thursday is the strongest day at 89.8% on time and Saturday the weakest at 74.5%. 15 points is a smaller lever than departure hour, but it is free.

On-time rate by day of the week81.8Mon85.7Tue86.0Wed89.8Thu86.3Fri74.5Sat82.6Sun
Monday: 81.8 percent on time. Tuesday: 85.7 percent on time. Wednesday: 86.0 percent on time. Thursday: 89.8 percent on time. Friday: 86.3 percent on time. Saturday: 74.5 percent on time. Sunday: 82.6 percent on time

Delay causes

Why SkyWest runs late on this route

Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 4,168 reported delay minutes.

  • Carrier
    36%
  • Extreme weather
    24%
  • Late-arriving aircraft
    23%
  • National Airspace System
    17%

Extreme weather accounts for 24% of delay minutes, well above the single-digit share typical across the system. Weather delays are lumpy: they arrive as whole bad days rather than as a steady drag, so the monthly strip above is the more useful view of the risk. The national share is 6%, so this operation carries roughly 3.8 times the usual weather exposure. The split is drawn from 4,168 reported delay minutes.

The largest share of delay minutes, 36%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 1,515 of the 4,168 delay minutes reported here.

Cancellations run at 3.00%, against 1.81% nationally. That is roughly one flight in 30 cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.

Connections and stage length

What a delay here costs

8.5% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last a little over an hour, which a normal layover absorbs.

At 247 miles this is a short hop, and stage length matters more than it looks. A flight this short spends under two hours in the air, which leaves almost nothing to claw back a late pushback with. Delay here is decided on the ground, in the turn, which is why the 8am–11am window matters as much as it does.

The return leg runs 80.8% on time across 367 flights, within 3 points of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.

One caution: this is a thin sample. 367 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.

What to do with this

Booking SkyWest on DFW to SAT

Put together: the delay figures matter less here than the 3.00% cancellation rate. A late arrival costs you a little over an hour; a cancelled flight costs you the day. Book the 8am–11am departure so there is still a schedule behind you if it goes wrong, and treat a same-day connection as optimistic. 355 completed flights over 12 months sit behind that.

Related

Where to go next

Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.