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15,772 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am from Midway: 94% depart on time. After 4 pm it’s 62%.

Best time to leave 5–6 am 95% arrive on time from MDW, 77% arrive on time from ORD
Best airport pair MDW → BWI 80% on time, 2.7% cancelled, 1,857 flights
Best single flight UA 1077 ORD 06:00 → DCA 08:54 · 92% on time Avoid UA 1369 ORD 18:00 → DCA 21:10 · 50% 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
ORD
85
93
89
87
80
83
74
77
74
76
74
70
64
67
62
62
67
MDW
96
98
94
86
85
84
71
73
76
64
69
63
54
51
38
52
45
% 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.
Southwest 3,979 75% 2.2% 59 min
United (incl. SkyWest, Republic) 7,406 73% 1.9% 73 min
Frontier 211 73% 3.3% 84 min
American (incl. Envoy, Republic) 4,158 71% 3.7% 84 min
Spirit ORD→BWI only 18 – 0.0% 39 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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 1077 ORD 06:00 DCA 08:54 92%
UA 1381 ORD 10:00 DCA 13:04 86%
AA 2345 ORD 08:00 DCA 10:59 77%
UA 752 ORD 12:45 DCA 15:52 65%
UA 1314 ORD 14:00 DCA 17:12 56%
· · ·
UA 1369 ORD 18:00 DCA 21:10 50%
All 67 flights on this route →

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.
Southwest MDW BWI 1h 50m 80% 2.7% 1,786 Flying now
United ORD IAD 2h 01m 77% 0.8% 2,082 Flying now
American ORD BWI 2h 03m 76% 3.9% 1,199 Flying now
United ORD DCA 2h 03m 71% 2.6% 4,083 Flying now
United ORD BWI 2h 04m 71% 1.4% 1,241 Flying now
Southwest MDW DCA 1h 50m 71% 1.9% 2,100 Flying now
American ORD DCA 2h 00m 69% 3.6% 2,959 Flying now
Frontier MDW BWI 1h 56m 83% 1.4% 71 Not flying now
Southwest ORD BWI 2h 05m 73% 0.0% 93 Not flying now
Frontier ORD BWI 2h 05m 67% 4.3% 140 Not flying now
Spirit ORD BWI – 89%few flights 0.0% 18 Not 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