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

San Juan, PR (SJU) to Dallas/Fort Worth, TX (DFW) flight delay odds

Historically, 76.0% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 993 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
76.0%arrived on time
13.5%30+ min late
2.3%cancelled
993scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.5%all scheduled flights
120+ minutes late3.2%all scheduled flights
Diverted1.1%did not reach as scheduled
Average arrival+3.8 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 morning30881.8%9.7%1.3%
Afternoon30668.3%18.3%2.6%
Evening20872.1%15.4%4.3%
Night17184.2%9.4%1.2%

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
Monday15377.8%16.3%1.3%
Tuesday12176.0%14.0%2.5%
Wednesday12473.4%13.7%0.8%
Thursday14580.0%9.7%0.0%
Friday15182.1%9.9%2.6%
Saturday14166.7%16.3%6.4%
Sunday15875.3%14.6%2.5%

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 Airlines70377.2%12.7%1.7%
Spirit Airlines25275.4%13.1%3.6%
Frontier Airlines3857.9%31.6%5.3%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20259783.5%8.2%1.0%
August 20256561.5%24.6%1.5%
September 20253987.2%10.3%0.0%
October 20254975.5%14.3%0.0%
November 20257582.7%12.0%0.0%
December 202511182.0%12.6%0.9%
January 202610348.5%30.1%14.6%
February 20268481.0%10.7%0.0%
March 202611379.6%8.8%3.5%
April 202610777.6%11.2%0.9%
May 20268982.0%6.7%0.0%
June 20266175.4%13.1%0.0%

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.

Airline37.0%
Late aircraft48.3%
National airspace13.0%
Weather1.7%
Security0.0%
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.