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

No clear winner: United’s IND → IAD flights land within a few points of 87% on time whatever the hour.

Nonstops


United	IND	IAD	1h 42m	87%	1.2%	1,366	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

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


United Details →	IND 06:00 → ORD 06:20UA 3479 · flown by Republic	2h 20m Chicago	ORD 08:40 → IAD 11:52UA 2277	5h 52m	98%	89%
United Details →	IND 08:00 → ORD 08:22UA 3539 · flown by Republic	2h 45m Chicago	ORD 11:07 → IAD 14:12UA 1869	6h 12m	98%	88%
Delta Details →	IND 08:05 → ATL 09:44DL 1901	2h 33m Atlanta	ATL 12:17 → IAD 14:02DL 2135	5h 57m	99%	84%
Delta Details →	IND 06:00 → ATL 07:39DL 3105	2h 11m Atlanta	ATL 09:50 → IAD 11:39DL 1444	5h 38m	99%	82%
Delta Details →	IND 10:30 → DTW 11:45DL 4875 · flown by Endeavor	3h 25m Detroit	DTW 15:10 → IAD 16:42DL 1787	6h 12m	100%	82%
American Details →	IND 06:32 → CLT 08:15AA 2938	2h 50m Charlotte	CLT 11:05 → IAD 12:38AA 5220 · flown by PSA	6h 06m	98%	79%
Delta Details →	IND 06:51 → JFK 09:00DL 4932 · flown by Endeavor	1h 16m New York	JFK 10:16 → IAD 11:48DL 5835 · flown by Republic	4h 57m	94%	78%
Delta Details →	IND 06:40 → DTW 07:55DL 4924 · flown by Endeavor	55m Detroit	DTW 08:50 → IAD 10:23DL 2884	3h 45m	91%	78%
Tight connection: often missed
Delta Details →	IND 16:33 → ATL 18:15DL 3138	1h 00m Atlanta	ATL 19:15 → IAD 21:03DL 1309	4h 31m	67%	50%
Frontier Details →	IND 12:17 → ATL 14:07F9 2498	48m Atlanta	ATL 14:55 → IAD 16:52F9 4410	4h 35m	61%	39%
American Details →	IND 15:30 → CLT 17:20AA 1950	50m Charlotte	CLT 18:10 → IAD 19:34AA 1450	4h 10m	54%	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

JFK · 1h 16m · leaves 06:51 6%

ATL · 1h 08m · leaves 07:00 6%

CLT · 1h 13m · leaves 08:05 6%

Afternoon and evening

IAH · 1h 12m · leaves 17:26 17%

ATL · 1h 00m · leaves 16:33 33%

CLT · 50m · leaves 15:30 46%

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 2129 IND 05:10 → MCO United UA 1893 MCO 09:37 → IAD Connection details →	2h 12m	6h 45m	100%	91%
American AA 4362 IND 05:36 → ORD United UA 2277 ORD 08:40 → IAD Connection details →	2h 40m	6h 16m	99%	88%
Delta DL 4924 IND 06:40 → DTW United UA 3500 DTW 10:13 → IAD Connection details →	2h 18m	5h 10m	96%	86%

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