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 15% of the time at 9 am and almost half the time at 7 pm.

Nonstops


United	IAD	HSV	2h 13m	84%	1.0%	1,052	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

Ranked by chance you reach Huntsville on time. Total trip = scheduled departure to arrival, layover included (Huntsville is 1 h behind Dulles). Layovers up to 4 hours. Pick a connection for the details.


United Details →	IAD 06:30 → IAH 08:39UA 1935	1h 26m Houston	IAH 10:05 → HSV 12:08UA 4315 · flown by CommuteAir	6h 38m	100%	87%
Delta Details →	IAD 06:00 → ATL 07:46DL 2127	1h 19m Atlanta	ATL 09:05 → HSV 09:04DL 1708	4h 04m	94%	82%
American Details →	IAD 09:20 → CLT 10:57AA 5219 · flown by PSA	2h 33m Charlotte	CLT 13:30 → HSV 14:12AA 5806 · flown by Piedmont	5h 52m	97%	80%
Delta Details →	IAD 17:51 → ATL 19:54DL 1695	3h 06m Atlanta	ATL 23:00 → HSV 23:03DL 3022	6h 12m	94%	79%
Delta Details →	IAD 08:27 → ATL 10:17DL 3080	1h 31m Atlanta	ATL 11:48 → HSV 11:47DL 3068	4h 20m	91%	79%
United Details →	IAD 06:10 → ORD 07:27UA 2070	2h 58m Chicago	ORD 10:25 → HSV 12:22UA 4570 · flown by GoJet	7h 12m	100%	75%
Delta Details →	IAD 10:21 → ATL 12:05DL 1324	3h 25m Atlanta	ATL 15:30 → HSV 15:32DL 3026	6h 11m	97%	74%
Delta Details →	IAD 12:37 → ATL 14:34DL 1444	2h 56m Atlanta	ATL 17:30 → HSV 17:32DL 2182	5h 54m	96%	74%
Tight connection: often missed
United Details →	IAD 08:15 → ORD 09:36UA 1775	49m Chicago	ORD 10:25 → HSV 12:22UA 4570 · flown by GoJet	5h 07m	69%	52%
Delta Details →	IAD 17:51 → ATL 19:54DL 1695	53m Atlanta	ATL 20:47 → HSV 20:48DL 3065	3h 58m	70%	51%
United Details →	IAD 17:42 → ORD 18:50UA 2497	1h 02m Chicago	ORD 19:52 → HSV 21:53UA 4500 · flown by GoJet	5h 11m	51%	34%

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

ATL · 1h 19m · leaves 06:00 6%

DFW · 1h 01m · leaves 06:14 15%

ORD · 49m · leaves 08:15 31%

Afternoon and evening

DTW · 1h 05m · leaves 17:29 24%

ATL · 53m · leaves 17:51 30%

ORD · 1h 02m · leaves 17:42 49%

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.


United UA 4063 IAD 08:15 → CLT American AA 5806 CLT 13:30 → HSV Connection details →	3h 45m	6h 57m	100%	83%
United UA 2471 IAD 08:30 → DFW American AA 3580 DFW 13:12 → HSV Connection details →	2h 19m	7h 37m	94%	82%
United UA 2081 IAD 17:17 → ATL Delta DL 3022 ATL 23:00 → HSV Connection details →	3h 44m	6h 46m	95%	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