WN3551 OAK → MDW

Southwest Airlines · Oakland, CA to Chicago, IL · 42 flights observed, 2026-04-07 to 2026-06-03 · 1,844 mi

WN3551 covers more than one route in the data window — the stats below are for OAK → MDW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
90%
Median delay
-2 min
90th percentile
+14 min
Cancellation rate
0%

How often is WN3551 on time?

Across 42 flights on OAK → MDW from 2026-04-07 to 2026-06-03, WN3551 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +14 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3890%
16-30 min410%
31-60 min00%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-041889%0 min
2026-052190%+2 min
2026-063100%-10 min

Performance by day of week

DayFlightsOn-time
Mon8100%
Tue989%
Wed989%
Thu8100%
Fri875%
SatNo data—
SunNo data—

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