WN4099 OKC → DCA

Southwest Airlines · Oklahoma City, OK to Washington, DC · 25 flights observed, 2025-07-01 to 2025-08-04 · 1,158 mi

This flight's reliability varies a lot by day of week — 100% on-time on Tuesdays vs. 40% on Mondays.

WN4099 covers more than one route in the data window — the stats below are for OKC → DCA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
75%
Median delay
-1 min
90th percentile
+22 min
Cancellation rate
4%

How often is WN4099 on time?

Across 25 flights on OKC → DCA from 2025-07-01 to 2025-08-04, WN4099 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +22 min or later. 4% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1875%
16-30 min417%
31-60 min14%
61-120 min14%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072277%+6 min
2025-08250%-1 min

Performance by day of week

DayFlightsOn-time
Mon540%
Tue5100%
Wed580%
Thu475%
Fri580%
SatNo data—
SunNo data—

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