WN510 BWI → SMF

Southwest Airlines · Baltimore, MD to Sacramento, CA · 58 flights observed, 2026-04-07 to 2026-06-03 · 2,395 mi

This flight runs much more reliably at some times of day than others — 100% on-time departing 12–3pm vs. 50% departing 6–9pm.

WN510 covers more than one route in the data window — the stats below are for BWI → SMF, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
60%
Median delay
+4 min
90th percentile
+58 min
Cancellation rate
0%

How often is WN510 on time?

Across 58 flights on BWI → SMF from 2026-04-07 to 2026-06-03, WN510 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +58 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3560%
16-30 min1221%
31-60 min59%
61-120 min47%
2+ hrs23%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042450%+26 min
2026-053168%+11 min
2026-06367%+9 min

Performance by day of week

DayFlightsOn-time
Mon825%
Tue967%
Wed956%
Thu838%
Fri850%
Sat888%
Sun8100%

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