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 70-minute layover misses 3% of the time at 12 pm and 1 time in 5 at 4 pm.

Nonstops (seasonal or thin)


Alaska	IND	SEA	4h 50m	76%	1.4%	564	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

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


Delta Details →	IND 07:20 → AUS 08:58DL 4015 · flown by SkyWest	2h 21m Austin	AUS 11:19 → SEA 13:54DL 1684	9h 34m	97%	90%
United Details →	IND 05:35 → IAD 07:19UA 6210 · flown by Mesa	1h 41m Dulles	IAD 09:00 → SEA 11:51UA 2101	9h 16m	98%	90%
Delta Details →	IND 07:40 → SLC 09:15DL 2137	2h 20m Salt Lake City	SLC 11:35 → SEA 12:52DL 2995	8h 12m	99%	87%
Delta Details →	IND 08:05 → ATL 09:44DL 1901	1h 26m Atlanta	ATL 11:10 → SEA 13:38DL 648	8h 33m	98%	85%
Delta Details →	IND 07:00 → MSP 07:50DL 2757	3h 20m Minneapolis	MSP 11:10 → SEA 12:58DL 889	8h 58m	98%	84%
United Details →	IND 10:45 → ORD 11:05UA 3534 · flown by Republic	2h 25m Chicago	ORD 13:30 → SEA 16:09UA 1660	8h 24m	97%	84%
United Details →	IND 08:00 → DEN 08:51UA 1607	2h 31m Denver	DEN 11:22 → SEA 13:22UA 1424	8h 22m	98%	83%
United Details →	IND 10:11 → IAD 11:55UA 3709 · flown by Republic	1h 15m Dulles	IAD 13:10 → SEA 15:55UA 2241	8h 44m	97%	83%
Tight connection: often missed
Delta Details →	IND 10:30 → DTW 11:45DL 4875 · flown by Endeavor	46m Detroit	DTW 12:31 → SEA 14:30DL 728	7h 00m	67%	51%
American Details →	IND 17:23 → DFW 18:57AA 1956	1h 16m Dallas-Fort Worth	DFW 20:13 → SEA 22:26AA 2003	8h 03m	71%	35%
American Details →	IND 20:42 → ORD 21:10AA 1951	1h 05m Chicago	ORD 22:15 → SEA 00:52 +1AA 1459	7h 10m	47%	20%

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

IAD · 1h 15m · leaves 10:11 3%

MSP · 1h 15m · leaves 07:00 3%

CLT · 1h 05m · leaves 06:32 5%

Afternoon and evening

ORD · 1h 05m · leaves 20:42 53%

PHX · 50m · leaves 21:15 61%

SFO · 1h 12m · leaves 19:59 71%

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 2108 IND 05:55 → AUS Delta DL 1684 AUS 11:19 → SEA Connection details →	3h 54m	10h 59m	100%	94%
Southwest WN 4137 IND 06:20 → PHX Delta DL 2374 PHX 09:20 → SEA Connection details →	2h 20m	9h 15m	100%	90%
American AA 3201 IND 16:21 → LAX Alaska AS 495 LAX 21:12 → SEA Connection details →	3h 27m	10h 38m	97%	89%

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