Itineraries flown on 20+ days in the Jun 6 – Jul 31, 2026 schedule · each leg’s record Aug 2025 – Jul 2026

No nonstop, and no clear pattern: the best connection reaches Baltimore on time 9 times in 10.

Best connections, one ticket

Ranked by chance you reach Baltimore on time. Total trip = scheduled departure to arrival, layover included (Baltimore is 3 h ahead of Oakland). Layovers up to 4 hours. Pick a connection for the details.


Southwest Details →	OAK 23:55 → MDW 06:00WN 3059	2h 55m Chicago	MDW 08:55 → BWI 11:45 +1WN 1355	8h 50m	100%	90%
Southwest Details →	OAK 05:45 → DEN 09:15WN 3041	1h 40m Denver	DEN 10:55 → BWI 16:20WN 4434	7h 40m	98%	77%
Delta Details →	OAK 17:05 → SLC 20:00DL 3903 · flown by SkyWest	3h 40m Salt Lake City	SLC 23:40 → BWI 05:49 +1DL 2079	9h 44m	100%	77%
Southwest Details →	OAK 19:00 → ONT 20:20WN 271	1h 20m Ontario	ONT 21:40 → BWI 05:30 +1WN 3143	7h 30m	85%	76%
Southwest Details →	OAK 06:20 → SAN 07:55WN 3073	3h 20m San Diego	SAN 11:15 → BWI 19:20WN 3390	10h 00m	100%	71%
Southwest Details →	OAK 08:20 → DEN 11:45WN 3042	2h 50m Denver	DEN 14:35 → BWI 20:00WN 1045	8h 40m	100%	66%
Southwest Details →	OAK 17:30 → LAX 18:55WN 4229	2h 55m Los Angeles	LAX 21:50 → BWI 05:45 +1WN 2385	9h 15m	96%	65%
Southwest Details →	OAK 05:10 → PHX 07:05WN 3066	2h 25m Phoenix	PHX 09:30 → BWI 16:55WN 1039	8h 45m	98%	64%
Tight connection: often missed
Southwest Details →	OAK 23:55 → MDW 06:00WN 3059	1h 00m Chicago	MDW 07:00 → BWI 09:45 +1WN 2742	6h 50m	66%	59%
Southwest Details →	OAK 13:25 → DEN 16:50WN 3043	1h 15m Denver	DEN 18:05 → BWI 23:40WN 1499	7h 15m	65%	25%
Southwest Details →	OAK 13:55 → HOU 19:40WN 4244	55m Houston	HOU 20:35 → BWI 00:35 +1WN 1961	7h 45m	23%	13%

Same layover, different day-part

How often the first flight arrives too late to connect (45 min minimum), for one-ticket layovers of 45–80 minutes.

Morning

MDW · 1h 00m · leaves 23:55 34%

Afternoon and evening

DEN · 1h 15m · leaves 13:25 35%

Delays build through the day, so an afternoon first leg eats the layover. A short connection is fine early in the morning and a gamble later on.

Mixing airlines

One ticketMiss it and the airline rebooks you; bags go through. 45 min is enough.

Separate ticketsMiss it and you buy a new ticket. Re-check bags, clear security again: we require 90 min.


Delta DL 3903 OAK 17:05 → SLC Southwest WN 3735 SLC 23:35 → BWI Connection details →	3h 35m	9h 35m	99%	81%
Southwest WN 4747 OAK 17:30 → SEA Alaska AS 781 SEA 21:36 → BWI Connection details →	2h 06m	9h 11m	84%	76%
Alaska AS 2304 OAK 17:35 → PDX Southwest WN 3194 PDX 21:20 → BWI Connection details →	2h 08m	8h 40m	95%	76%

Rank all connections, any airlines →

Regional partners count as the airline that sells them: SkyWest flying Delta Connection is one Delta ticket.

How these are worked out. Makes the connection: share of the last year’s flights where the first flight arrived with at least 45 minutes to spare (90 on separate tickets). Arrives on time: first flight not cancelled × connection made × second flight not cancelled and arriving within 15 minutes. Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON