WN503 CLE → DEN

Southwest Airlines · Cleveland, OH to Denver, CO · 23 flights observed, 2026-03-05 to 2026-04-06 · 1,201 mi

This flight has been on time less than half the time (43%) — expect a real chance of a delay.

WN503 covers more than one route in the data window — the stats below are for CLE → DEN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
43%
Median delay
+18 min
90th percentile
+102 min
Cancellation rate
0%

How often is WN503 on time?

Across 23 flights on CLE → DEN from 2026-03-05 to 2026-04-06, WN503 arrived within 15 minutes of schedule 43% of the time. The median arrival delay was +18 min, and the worst 10% of flights arrived +102 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1043%
16-30 min626%
31-60 min313%
61-120 min29%
2+ hrs29%

Performance by month

MonthFlightsOn-timeAvg delay
2026-031947%+41 min
2026-04425%+15 min

Performance by day of week

DayFlightsOn-time
Mon540%
Tue450%
Wed450%
Thu540%
Fri540%
SatNo data—
SunNo data—

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…