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

Charleston, SC (CHS) to Denver, CO (DEN) flight delay odds

67.5% of 644 official scheduled CHS-to-DEN flights arrived on time; 18.3% arrived at least 30 minutes late and 0.6% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
67.5%arrived on time
18.3%30+ min late
0.6%cancelled
644scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.9%all scheduled flights
120+ minutes late2.6%all scheduled flights
Diverted1.9%did not reach as scheduled
Average arrival+12.5 mincompleted flights

Which departure time was most reliable for CHS to DEN?

Among qualifying CHS-to-DEN departure window results, Early morning had the highest on-time rate: 89.6% of 96 flights. Afternoon was lowest at 65.0% across 528 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning9689.6%3.1%1.0%
Afternoon52865.0%20.3%0.6%

Which weekday was most reliable for CHS to DEN?

Among qualifying CHS-to-DEN weekday results, Friday had the highest on-time rate: 73.0% of 100 flights. Saturday was lowest at 63.1% across 84 flights.

DayFlightsOn time30+ minCancelled
Monday9872.4%17.3%0.0%
Tuesday8564.7%22.4%0.0%
Wednesday8172.8%18.5%0.0%
Thursday9563.2%21.1%0.0%
Friday10073.0%14.0%1.0%
Saturday8463.1%17.9%2.4%
Sunday10163.4%17.8%1.0%

Which airline was most reliable for CHS to DEN?

Among qualifying CHS-to-DEN airline results, United Airlines had the highest on-time rate: 71.8% of 439 flights. Southwest Airlines was lowest at 58.5% across 205 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines43971.8%15.9%0.7%
Southwest Airlines20558.5%23.4%0.5%

Which month was most reliable for CHS to DEN?

Among qualifying CHS-to-DEN month results, January 2026 had the highest on-time rate: 86.0% of 57 flights. June 2026 was lowest at 43.9% across 57 flights.

MonthFlightsOn time30+ minCancelled
July 20256250.0%27.4%0.0%
August 20255050.0%32.0%0.0%
September 20254768.1%14.9%0.0%
October 20255253.8%26.9%0.0%
November 20254881.2%4.2%2.1%
December 20254669.6%8.7%0.0%
January 20265786.0%8.8%3.5%
February 20265574.5%20.0%0.0%
March 20266280.6%9.7%1.6%
April 20265976.3%16.9%0.0%
May 20264977.6%10.2%0.0%
June 20265743.9%36.8%0.0%

What drove CHS to DEN delay minutes?

National airspace was the largest recorded CHS-to-DEN delay category, accounting for 42.1% of 11,148 BTS-attributed delay minutes during July 2025–June 2026.

Airline20.6%
Late aircraft34.2%
National airspace42.1%
Weather3.1%
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.