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

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

76.5% of 643 official scheduled DEN-to-CHS flights arrived on time; 9.8% arrived at least 30 minutes late and 0.3% 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 SIGNALGenerally reliable
76.5%arrived on time
9.8%30+ min late
0.3%cancelled
643scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.4%all scheduled flights
120+ minutes late1.2%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+6.3 mincompleted flights

Which departure time was most reliable for DEN to CHS?

Among qualifying DEN-to-CHS departure window results, Late morning had the highest on-time rate: 79.5% of 429 flights. Afternoon was lowest at 71.7% across 187 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning42979.5%7.2%0.2%
Afternoon18771.7%14.4%0.5%

Which weekday was most reliable for DEN to CHS?

Among qualifying DEN-to-CHS weekday results, Tuesday had the highest on-time rate: 83.5% of 85 flights. Friday was lowest at 71.7% across 99 flights.

DayFlightsOn time30+ minCancelled
Monday9880.6%6.1%0.0%
Tuesday8583.5%7.1%0.0%
Wednesday8176.5%8.6%0.0%
Thursday9573.7%12.6%0.0%
Friday9971.7%15.2%1.0%
Saturday8477.4%4.8%1.2%
Sunday10173.3%12.9%0.0%

Which airline was most reliable for DEN to CHS?

Among qualifying DEN-to-CHS airline results, United Airlines had the highest on-time rate: 80.1% of 438 flights. Southwest Airlines was lowest at 68.8% across 205 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines43880.1%8.0%0.5%
Southwest Airlines20568.8%13.7%0.0%

Which month was most reliable for DEN to CHS?

Among qualifying DEN-to-CHS month results, December 2025 had the highest on-time rate: 84.8% of 46 flights. July 2025 was lowest at 59.7% across 62 flights.

MonthFlightsOn time30+ minCancelled
July 20256259.7%19.4%0.0%
August 20255070.0%10.0%0.0%
September 20254783.0%6.4%0.0%
October 20255267.3%13.5%0.0%
November 20254883.3%2.1%0.0%
December 20254684.8%6.5%0.0%
January 20265784.2%3.5%1.8%
February 20265580.0%9.1%0.0%
March 20266280.6%14.5%1.6%
April 20265979.7%8.5%0.0%
May 20264872.9%10.4%0.0%
June 20265775.4%10.5%0.0%

What drove DEN to CHS delay minutes?

Airline was the largest recorded DEN-to-CHS delay category, accounting for 39.0% of 6,612 BTS-attributed delay minutes during July 2025–June 2026.

Airline39.0%
Late aircraft33.1%
National airspace27.9%
Weather0.0%
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.