ORD → DEN Southwest Airlines

Southwest Airlines · Chicago, IL to Denver, CO · 483 flights, 2025-07-01 to 2026-06-03 · aggregated across 15 flight numbers

This route runs much more reliably at some times of day than others — 92% on-time departing 6–9am vs. 55% departing 6–9pm.
On-time arrival
74%
Median delay
-5 min
90th percentile
+51 min
Cancellation rate
2%

How on-time is Southwest Airlines from ORD to DEN?

Across every Southwest Airlines flight number on ORD → DEN (483 flights, 2025-07-01 to 2026-06-03), 74% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +51 min or later. 2% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time34974%
16-30 min429%
31-60 min419%
61-120 min214%
2+ hrs214%

Performance by month

MonthFlightsOn-timeAvg delay
2025-079169%+21 min
2025-088676%+6 min
2025-098688%-5 min
2025-109278%-2 min
2025-11771%+23 min
2025-121145%+20 min
2026-013100%-1 min
2026-0210100%-4 min
2026-032536%+62 min
2026-042959%+24 min
2026-053171%+22 min
2026-06367%+69 min

Performance by day of week

DayFlightsOn-time
Mon6670%
Tue6981%
Wed6882%
Thu6869%
Fri7063%
Sat6473%
Sun6977%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…