BWI → SANBaltimore to San Diego

live

Direct flights from Baltimore (BWI) to San Diego (SAN): 18 nonstop departures observed each week across 1 airline. 100% of the last 8 tracked flights arrived within 15 minutes of schedule. The median arrival is 21 minutes early. No cancellations were recorded across the 15 tracked flights. The nonstop covers 3,686 km, an estimated 5 hours 14 minutes in the air. Measured by Pro Flight Search from live flight boards at Baltimore and San Diego. Updated 15 November 2026 at 11:13 UTC.

Today, BWI → SAN

Sun 15 Nov · local times
  1. · WN1139Southwest On schedule SAN 13:20scheduled
  2. · WN1148Southwest On schedule SAN est. 08:26sched 09:05

Checked BWI board 22:33 · SAN board 03:13

BWI Baltimore disrupted · +60
SAN San Diego disrupted · +102
3,686 km · ~5h 14m est.
dep bank 06:20–20:4518x weekly
Runs reliable · 1 airline · 18x weekly · nonstop
100% on time

of the last 8 tracked BWI → SAN flights arrived within 15 minutes

Median arrival delay is −21 min. 0 of 15 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−21 minacross the last 8 arrivals
Flight time~5h 14mestimated from route distance
Weekly departures18x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 15

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Southwest AirlinesWN100% on time

Flights WN1148 06:20 Mo Th Fr Su · WN1139 11:55 Tu We Su · WN4374 15:50 Mo Th Fr Sa Su · WN752 18:20 Tu We

History

operated legs · board outcomes
11-14WN4374departed+92
11-13WN1148dep +14 → arr−35
11-12WN1148dep +12 → arr−30
11-12WN1151dep +33 → arr−5
11-12WN4374departed+41
11-11WN1139dep +18 → arr−13
11-11WN752departed+44
11-10WN1139dep +17 → arr−28
11-10WN752dep +22 → arr−21
11-09WN1148dep +18 → arr−43
11-09WN1151departed+57
11-09WN4374departed+59
11-08WN1148departed+8
11-08WN1151departed+69
11-08WN4374dep +41 → arr−3

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
BWIBaltimore +60 min disrupted 🌤 mostly cloudy · W 8 kt Full BWI delay board →
SANSan Diego +102 min disrupted 🌤 mostly cloudy · E 3 kt Full SAN delay board →

Weather lens

Conditions are tightest at SAN: a 51% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +18 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

How the Baltimore to San Diego route actually runs

Pro Flight Search records official board updates for nonstop BWI to SAN flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: Baltimore (BWI) to San Diego (SAN) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/BWI-SAN
How we measure this →

BWI to SAN questions

Is BWI–SAN running on time right now?

High disruption likely. The arrival side at SAN is the weaker end, route health score 10/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on BWI–SAN?

Operators schedule morning departures around 06:20 and evening departures around 18:20 from BWI. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SAN delay card to confirm conditions when you'd arrive.

How long is the flight from BWI to SAN?

Great-circle distance is 3,686 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 290–346 min gate-to-gate on this route.

How often does BWI–SAN fly?

Southwest Airlines runs the route with about 18 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.