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 2% of the time at 9 am and 30% of the time at 7 pm.

Nonstops (seasonal or thin)


American	LAS	DCA	4h 46m	79%	1.4%	364	Flying now
Southwest	LAS	DCA	4h 30m	73%	0.5%	364	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

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


United Details →	LAS 00:59 → IAH 05:59UA 2840	1h 47m Houston	IAH 07:46 → DCA 11:56UA 2047	7h 57m	94%	92%
Southwest Details →	LAS 23:55 → MDW 05:25WN 2276	2h 50m Chicago	MDW 08:15 → DCA 11:10 +1WN 2569	8h 15m	100%	91%
Frontier Details →	LAS 00:59 → DEN 03:53F9 2016	3h 37m Denver	DEN 07:30 → DCA 12:54F9 686	8h 55m	98%	90%
United Details →	LAS 05:30 → DEN 08:32UA 596	58m Denver	DEN 09:30 → DCA 14:59UA 789	6h 29m	98%	89%
American Details →	LAS 22:41 → CLT 06:00AA 1454	2h 00m Charlotte	CLT 08:00 → DCA 09:29 +1AA 1977	7h 52m	94%	84%
United Details →	LAS 23:59 → ORD 05:40UA 726	2h 20m Chicago	ORD 08:00 → DCA 11:01 +1UA 382	8h 02m	100%	83%
Delta Details →	LAS 06:00 → SLC 08:20DL 2674	2h 10m Salt Lake City	SLC 10:30 → DCA 16:37DL 820	7h 37m	99%	83%
United Details →	LAS 23:30 → ORD 05:11UA 2102	1h 49m Chicago	ORD 07:00 → DCA 09:59 +1UA 482	7h 29m	98%	83%
Tight connection: often missed
United Details →	LAS 11:30 → SFO 13:12UA 574	1h 06m San Francisco	SFO 14:18 → DCA 22:30UA 2386	8h 00m	73%	52%
American Details →	LAS 14:02 → DFW 19:03AA 777	57m Dallas-Fort Worth	DFW 20:00 → DCA 23:59AA 2077	6h 57m	70%	41%
American Details →	LAS 13:56 → CLT 21:36AA 2038	52m Charlotte	CLT 22:28 → DCA 23:53AA 1269	6h 58m	65%	40%

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

DEN · 58m · leaves 05:30 2%

MDW · 1h 00m · leaves 06:10 4%

LAX · 1h 02m · leaves 10:04 6%

Afternoon and evening

DFW · 57m · leaves 14:02 30%

CLT · 52m · leaves 13:56 35%

DAL · 48m · leaves 13:20 60%

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.


Southwest WN 2223 LAS 05:05 → DEN United UA 789 DEN 09:30 → DCA Connection details →	1h 35m	6h 54m	93%	84%
JetBlue B6 778 LAS 20:50 → BOS American AA 1550 BOS 08:19 → DCA Connection details →	3h 18m	10h 11m	94%	83%
American AA 2855 LAS 22:47 → JFK Delta DL 5750 JFK 08:35 → DCA Connection details →	1h 35m	8h 15m	95%	82%

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