5,558 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 87% depart on time. After 4 pm it’s 62%.

Best time to leave 1–2 pm 84% arrive on time from ORD

Best single flight UA 2099 ORD 08:45 → SEA 11:38 · 83% on time Avoid AS 337 ORD 17:42 → SEA 20:21 · 49% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

ORD

% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.


United	1,504	77%	0.7%	61 min
Delta	907	68%	1.4%	70 min
Alaska	1,796	68%	1.9%	66 min
American	1,351	65%	1.9%	70 min

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.


UA 2099	ORD 08:45	SEA 11:38	83%
DL 2041	ORD 06:55	SEA 09:31	74%
UA 1801	ORD 16:20	SEA 19:06	73%
AS 407	ORD 15:43	SEA 18:22	68%
AS 329	ORD 20:20	SEA 23:04	67%
· · ·
AS 587	ORD 08:02	SEA 10:37	64%
UA 2211	ORD 20:05	SEA 22:56	59%
AS 337	ORD 17:42	SEA 20:21	49%

All 24 flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.


AS 715	ORD 06:00	SEA 08:38	4h 38m	119	81%	0.8%	52 min
AA 2523	ORD 06:45	SEA 09:27	4h 44m	70	84%	1.4%	101 min
DL 2041	ORD 06:55	SEA 09:31	4h 36m	365	74%	1.4%	59 min
UA 341	ORD 07:00	SEA 09:40	4h 40m	72	89%	0.0%	30 min
AS 515	ORD 07:40	SEA 10:21	4h 41m	28	89%	0.0%	48 min
AS 587	ORD 08:02	SEA 10:37	4h 35m	236	64%	0.4%	75 min
UA 2099	ORD 08:45	SEA 11:38	4h 53m	186	83%	0.0%	57 min
AA 2520	ORD 10:30	SEA 13:08	4h 49m	72	71%	0.0%	71 min
AA 2524	ORD 11:40	SEA 14:27	4h 47m	72	61%	0.0%	117 min
DL 1564	ORD 13:00	SEA 15:43	4h 43m	146	65%	2.1%	72 min
AS 579	ORD 13:01	SEA 15:42	4h 41m	52	86%	1.9%	81 min
UA 1660	ORD 13:30	SEA 16:09	4h 39m	93	87%	1.1%	45 min
AS 407	ORD 15:43	SEA 18:22	4h 39m	358	68%	1.4%	64 min
UA 1801	ORD 16:20	SEA 19:06	4h 46m	169	73%	0.6%	57 min
AS 337	ORD 17:42	SEA 20:21	4h 39m	189	49%	6.3%	68 min
AS 584	ORD 17:44	SEA 20:22	4h 38m	46	61%	0.0%	65 min
AA 3105	ORD 17:47	SEA 20:37	4h 50m	105	44%	1.0%	76 min
DL 637	ORD 17:55	SEA 20:34	4h 39m	98	60%	2.0%	50 min
AS 583	ORD 18:42	SEA 21:34	4h 52m	35	41%	8.6%	55 min
AS 429	ORD 19:49	SEA 22:30	4h 41m	28	71%	0.0%	54 min
UA 2211	ORD 20:05	SEA 22:56	4h 51m	263	59%	1.5%	59 min
UA 2820	ORD 20:05	SEA 22:56	4h 51m	37	59%	0.0%	86 min
AS 329	ORD 20:20	SEA 23:04	4h 44m	269	67%	1.5%	65 min
AA 1459	ORD 22:15	SEA 00:52	4h 37m	72	48%	4.2%	57 min

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.


United	ORD	SEA	4h 41m	77%	0.7%	1,504	Flying now
Delta	ORD	SEA	4h 40m	68%	1.4%	907	Flying now
Alaska	ORD	SEA	4h 40m	68%	1.9%	1,796	Flying now
American	ORD	SEA	4h 44m	65%	1.9%	1,351	Flying now

Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

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