Leave before 9 am from Newark or LaGuardia: 9 in 10 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).
| DL 2503 | LGA 17:00 | ORD 19:10 | 3h 10m | 110 | 62% | 7.3% | 111 min |
| UA 602 | LGA 17:25 | ORD 19:12 | 2h 47m | 28 | 42% | 7.1% | 241 min |
| UA 2299 | LGA 17:25 | ORD 19:12 | 2h 47m | 271 | 49% | 4.8% | 85 min |
| AA 1478 | LGA 17:27 | ORD 19:20 | 2h 53m | 42 | 59% | 7.1% | 104 min |
| AA 752 | LGA 17:29 | ORD 19:43 | 3h 14m | 30 | 54% | 20.0% | 76 min |
| WN 4746 | LGA 17:30 | MDW 19:20 | 2h 50m | 42 | 54% | 11.9% | 86 min |
| WN 3665 | LGA 17:40 | MDW 19:30 | 2h 50m | 16 | 57% | 6.2% | 112 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 LGA→MDW only | 2,385 | 74% | 4.9% | 67 min |
| American (incl. Envoy, Republic) | 6,069 | 72% | 5.1% | 92 min |
| Delta (incl. Endeavor, Republic) | 4,176 | 72% | 6.3% | 88 min |
| United (incl. SkyWest, Republic) | 9,459 | 70% | 3.7% | 84 min |
| JetBlue JFK→ORD only | 603 | 69% | 6.5% | 87 min |
| Spirit | 448 | 61% | 10.0% | 95 min |
| Frontier | 187 | 58% | 4.8% | 98 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.
| AA 462 | LGA 06:30 | ORD 08:14 | 93% |
| B6 905 | JFK 07:05 | ORD 08:50 | 90% |
| UA 2389 | LGA 06:10 | ORD 07:49 | 89% |
| AA 392 | LGA 07:23 | ORD 09:09 | 87% |
| UA 623 | LGA 08:05 | ORD 09:44 | 81% |
| · · · | |||
| UA 661 | EWR 16:45 | ORD 18:34 | 50% |
| UA 2299 | LGA 17:25 | ORD 19:12 | 49% |
| UA 254 | EWR 18:15 | ORD 20:10 | 44% |
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.
| American | JFK | ORD | 2h 54m | 79% | 4.8% | 1,058 | Flying now |
| Delta | JFK | ORD | 2h 56m | 76% | 6.4% | 1,411 | Flying now |
| American | EWR | ORD | 2h 47m | 75% | 5.5% | 1,528 | Flying now |
| Southwest | LGA | MDW | 2h 30m | 74% | 4.9% | 2,385 | Flying now |
| United | EWR | ORD | 2h 43m | 72% | 2.5% | 4,389 | Flying now |
| Delta | LGA | ORD | 2h 47m | 70% | 6.2% | 2,765 | Flying now |
| American | LGA | ORD | 2h 50m | 69% | 5.1% | 3,483 | Flying now |
| JetBlue | JFK | ORD | 2h 59m | 69% | 6.5% | 603 | Flying now |
| United | LGA | ORD | 2h 44m | 68% | 4.8% | 5,070 | Flying now |
| Frontier | EWR | MDW | 2h 30m | 67% | 5.6% | 71 | Not flying now |
| Spirit | LGA | ORD | 2h 35m | 65% | 6.7% | 299 | Not flying now |
| Spirit | EWR | ORD | 2h 35m | 52% | 16.8% | 149 | Not flying now |
| Frontier | JFK | ORD | 2h 57m | 52% | 4.3% | 116 | 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