WN4120 OMA → DCA

Southwest Airlines · Omaha, NE to Washington, DC · 28 flights observed, 2026-03-05 to 2026-04-06 · 1,012 mi

This flight's reliability varies a lot by day of week — 60% on-time on Mondays vs. 20% on Fridays.

WN4120 covers more than one route in the data window — the stats below are for OMA → DCA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
63%
Median delay
-1 min
90th percentile
+52 min
Cancellation rate
4%

How often is WN4120 on time?

Across 28 flights on OMA → DCA from 2026-03-05 to 2026-04-06, WN4120 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +52 min or later. 4% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1763%
16-30 min415%
31-60 min311%
61-120 min311%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032273%+6 min
2026-04520%+44 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue4100%
Wed4100%
Thu540%
Fri520%
SatNo data—
Sun475%

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