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

Denver, CO (DEN) to Fort Lauderdale, FL (FLL) flight delay odds

Historically, 76.7% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,630 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
76.7%arrived on time
13.3%30+ min late
0.4%cancelled
1,630scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.9%all scheduled flights
120+ minutes late2.6%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+6.2 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 morning15982.4%11.9%0.6%
Late morning59278.5%9.6%0.5%
Afternoon34573.0%18.3%0.6%
Evening41472.9%16.4%0.2%
Night12083.3%7.5%0.0%

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
Monday23478.6%12.4%1.3%
Tuesday20380.8%8.4%0.5%
Wednesday20381.3%11.8%0.5%
Thursday23977.4%16.3%0.0%
Friday24271.5%15.7%0.8%
Saturday26374.5%12.5%0.0%
Sunday24674.4%14.6%0.0%

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
United Airlines1,22580.6%11.1%0.3%
Southwest Airlines38365.3%19.8%0.5%
JetBlue Airways2259.1%18.2%4.5%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202512462.9%24.2%0.0%
August 202511669.8%14.7%0.9%
September 20258876.1%15.9%0.0%
October 202511984.0%8.4%0.0%
November 202514789.1%4.8%0.7%
December 202518575.1%15.1%0.5%
January 202616383.4%8.0%0.0%
February 202615684.0%8.3%0.0%
March 202620269.8%17.8%2.0%
April 202612282.0%9.8%0.0%
May 202611376.1%11.5%0.0%
June 20269563.2%24.2%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.

Airline31.2%
Late aircraft44.0%
National airspace24.1%
Weather0.7%
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.