BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
DFWSAT

Dallas/Fort Worth, TX (DFW) to San Antonio, TX (SAT) flight delay odds

Historically, 64.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 4,383 flights.

HISTORICAL ROUTE SIGNALVariable
64.6%arrived on time
22.9%30+ min late
3.5%cancelled
4,383scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late13.1%all scheduled flights
120+ minutes late5.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+21.3 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning69179.2%12.2%1.9%
Late morning64078.1%14.5%2.0%
Afternoon1,25765.4%20.8%3.4%
Evening1,15554.5%31.9%4.8%
Night64052.0%30.6%4.4%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday62963.9%24.6%3.0%
Tuesday61468.4%18.6%4.1%
Wednesday61170.0%20.9%1.1%
Thursday64069.5%19.2%2.0%
Friday62866.6%20.9%3.2%
Saturday61359.5%24.0%5.9%
Sunday64854.5%31.5%5.1%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines3,55161.8%25.1%3.5%
Envoy Air46073.0%15.4%3.5%
SkyWest Airlines36780.9%11.2%3.0%
PSA Airlines580.0%0.0%0.0%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202539658.1%29.5%4.5%
August 202538355.6%30.0%3.9%
September 202536773.3%16.1%3.3%
October 202538469.3%18.8%1.8%
November 202534464.2%23.3%3.2%
December 202535667.4%21.3%0.0%
January 202635562.8%19.2%9.6%
February 202631978.1%12.5%1.3%
March 202636466.8%23.4%1.9%
April 202635669.1%21.9%1.1%
May 202639061.5%22.8%5.1%
June 202636951.8%33.3%5.7%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline33.0%
Late aircraft51.1%
National airspace7.8%
Weather8.1%
Security0.1%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.