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

Connect in the morning. The same one-hour layover misses 16% of the time at 10 am and barely half the time at 6 pm.

Nonstops


Alaska	PDX	DFW	3h 48m	85%	0.6%	463	Flying now
American	PDX	DFW	3h 46m	81%	3.0%	1,917	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

Ranked by chance you reach Dallas-Fort Worth on time. Total trip = scheduled departure to arrival, layover included (Dallas-Fort Worth is 2 h ahead of Portland). Layovers up to 4 hours. Pick a connection for the details.


United Details →	PDX 05:00 → DEN 08:31UA 459	1h 09m Denver	DEN 09:40 → DFW 12:48UA 355	5h 48m	98%	91%
United Details →	PDX 05:15 → SFO 07:01UA 1896	1h 32m San Francisco	SFO 08:33 → DFW 14:25UA 1062	7h 10m	98%	84%
Delta Details →	PDX 00:33 → MSP 05:49DL 2359	2h 04m Minneapolis	MSP 07:53 → DFW 10:26DL 2972	7h 53m	99%	84%
Delta Details →	PDX 05:45 → SLC 08:39DL 1270	1h 11m Salt Lake City	SLC 09:50 → DFW 13:33DL 2800	5h 48m	99%	83%
American Details →	PDX 05:20 → PHX 08:00AA 2658	1h 30m Phoenix	PHX 09:30 → DFW 14:08AA 554	6h 48m	96%	82%
Delta Details →	PDX 22:55 → ATL 06:27DL 564	3h 25m Atlanta	ATL 09:52 → DFW 11:12 +1DL 961	10h 21m	98%	82%
United Details →	PDX 22:40 → ORD 04:45UA 2094	2h 30m Chicago	ORD 07:15 → DFW 09:58 +1UA 539	9h 18m	100%	81%
United Details →	PDX 23:59 → IAH 06:05UA 780	3h 26m Houston	IAH 09:31 → DFW 10:57 +1UA 2074	8h 58m	99%	81%
Tight connection: often missed
United Details →	PDX 07:00 → SFO 08:56UA 2818	1h 29m San Francisco	SFO 10:25 → DFW 16:08UA 2842	7h 08m	49%	30%
American Details →	PDX 13:45 → ORD 19:50AA 3303	1h 09m Chicago	ORD 20:59 → DFW 23:32AA 2600	7h 47m	64%	28%
American Details →	PDX 15:31 → PHX 18:12AA 2986	48m Phoenix	PHX 19:00 → DFW 23:25AA 633	5h 54m	47%	26%

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

SLC · 1h 11m · leaves 05:45 1%

DEN · 1h 09m · leaves 05:00 2%

LAX · 58m · leaves 07:00 16%

Afternoon and evening

ATL · 54m · leaves 14:10 17%

ORD · 1h 09m · leaves 13:45 36%

PHX · 48m · leaves 15:31 53%

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 3923 PDX 20:44 → SEA American AA 2429 SEA 00:44 → DFW Connection details →	2h 48m	7h 59m	98%	85%
Alaska AS 1404 PDX 07:00 → SNA American AA 2672 SNA 11:56 → DFW Connection details →	2h 19m	8h 12m	99%	83%
Delta DL 2359 PDX 00:33 → MSP American AA 1395 MSP 08:01 → DFW Connection details →	2h 12m	8h 03m	97%	81%

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