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

Boston, MA (BOS) to Dallas/Fort Worth, TX (DFW) flight delay odds

Historically, 73.0% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 3,740 flights.

HISTORICAL ROUTE SIGNALVariable
73.0%arrived on time
16.1%30+ min late
3.2%cancelled
3,740scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.1%all scheduled flights
120+ minutes late4.2%all scheduled flights
Diverted1.0%did not reach as scheduled
Average arrival+7.5 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 morning1,50182.3%8.9%3.4%
Late morning44078.0%14.5%1.6%
Afternoon1,17966.2%20.7%2.7%
Evening61959.8%26.0%4.5%

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
Monday56170.6%16.4%5.7%
Tuesday54475.9%13.4%3.3%
Wednesday52877.8%14.8%1.1%
Thursday55073.6%16.7%0.9%
Friday55874.7%14.2%3.2%
Saturday44968.2%19.2%3.1%
Sunday55069.3%18.7%4.5%

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 Airlines2,63374.5%14.7%3.5%
Delta Air Lines86167.6%20.2%2.2%
JetBlue Airways23175.3%16.5%3.5%
Spirit Airlines1573.3%26.7%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202536968.8%20.9%3.0%
August 202534573.6%14.5%1.7%
September 202531368.7%22.0%2.6%
October 202535274.7%18.2%1.1%
November 202529275.3%17.8%1.7%
December 202529070.7%21.4%1.0%
January 202628768.6%13.6%11.5%
February 202625976.1%10.0%5.8%
March 202627382.4%11.4%1.5%
April 202630279.8%11.9%1.0%
May 202632872.9%13.7%2.7%
June 202633066.4%15.8%5.2%

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.

Airline33.3%
Late aircraft41.6%
National airspace22.2%
Weather2.7%
Security0.2%
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.