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

New Orleans, LA (MSY) to Denver, CO (DEN) flight delay odds

Historically, 79.4% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,270 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
79.4%arrived on time
12.4%30+ min late
0.4%cancelled
2,270scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.9%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+4.1 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 morning76090.9%4.5%0.1%
Late morning30985.8%8.1%0.6%
Afternoon61074.6%16.7%0.5%
Evening56065.5%20.5%0.4%

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
Monday37080.3%11.4%0.5%
Tuesday26182.8%12.6%0.0%
Wednesday28584.9%9.1%0.7%
Thursday37674.7%16.0%0.3%
Friday37477.8%13.6%0.8%
Saturday23177.1%13.4%0.0%
Sunday37379.9%10.2%0.3%

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
Southwest Airlines1,05973.7%14.5%0.3%
United Airlines1,01686.7%9.2%0.2%
Frontier Airlines19572.8%17.4%2.1%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202516072.5%19.4%0.6%
August 202514874.3%16.2%0.7%
September 202515581.9%11.0%0.0%
October 202522480.8%11.2%0.4%
November 202519886.9%5.6%0.0%
December 202519179.1%12.6%0.5%
January 202617383.8%4.6%0.0%
February 202620785.0%9.2%0.0%
March 202622981.7%11.8%0.4%
April 202621681.5%10.2%0.9%
May 202620675.2%17.0%0.5%
June 202616365.6%23.3%0.6%

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.

Airline23.0%
Late aircraft38.1%
National airspace33.1%
Weather5.6%
Security0.3%
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.