Leave before 9 am from Midway: 94% depart on time. After 4 pm it’s 62%.
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).
| AA 3866flown by Envoy | ORD 21:00 | BWI 23:59 | 1h 59m | 28 | 59% | 3.6% | 77 min |
| UA 675 | ORD 21:20 | BWI 00:28 | 2h 08m | 36 | 60% | 2.8% | 72 min |
| AA 4663flown by Republic | ORD 21:25 | BWI 00:33 | 2h 08m | 44 | 79% | 4.5% | 147 min |
| UA 2829 | ORD 21:25 | BWI 00:33 | 2h 08m | 35 | 51% | 0.0% | 83 min |
| UA 2766 | ORD 21:40 | IAD 00:45 | 2h 05m | 36 | 69% | 0.0% | 105 min |
| UA 1015 | ORD 21:55 | IAD 00:59 | 2h 04m | 35 | 83% | 0.0% | 95 min |
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% |
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 |
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