Boston (BOS) to Chicago (ORD) flights
United Airlines, American Airlines, Delta Air Lines, JetBlue, Envoy Air, Republic Airline fly nonstop from Boston Logan International Airport to Chicago O'Hare International Airport, with about 169 flights a week in July 2026. The 867-mile flight takes about 2h 58m gate to gate.
- Distance
- 867 mi · 1,395 km
- Flight time
- 2h 58m
- Airlines
- 6
- Seats filled
- 84%
Airlines flying BOS to ORD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 67 | Boeing 737-900ER, Boeing 737-800, Boeing 737 MAX 9 | 406,124 | 2h 57m |
| American Airlines | 53 | Boeing 737-800, Airbus A319, Boeing 737 MAX 8 | 280,936 | 2h 57m |
| Delta Air Lines | 24 | Airbus A220-300, Airbus A319, Boeing 737-800 | 107,254 | 2h 56m |
| JetBlue | 12 | Airbus A220-300, Airbus A320-100/200, Airbus A321 | 60,961 | 2h 59m |
| Envoy Air | 7 | Embraer E175, Embraer E170 | 28,429 | 2h 59m |
| Republic Airline | 6 | Embraer E175 | 55,267 | 3h 7m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BOS to ORD flight schedule
34 flight numbers flew this route in August 2026, 26 of them almost daily. The first usually leaves at 6:01am and the last at 8:50pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 1414United Airlines | 6:01am | 8:00am | 31 | 94% |
| AA 3324American Airlines | 6:14am | 8:20am | 31 | 94% |
| UA 2631United Airlines | 7:05am | 9:04am | 31 | 83% |
| AA 1509American Airlines | 7:10am | 9:16am | 31 | 89% |
| DL 2570Delta Air Lines | 7:30am | 9:26am | 31 | 81% |
| UA 717United Airlines | 8:05am | 10:04am | 21 | 86% |
| B6 311JetBlue | 8:15am | 10:11am | 31 | 79% |
| UA 1834United Airlines | 8:15am | 10:12am | 10 | 90% |
| AA 1239American Airlines | 8:27am | 10:30am | 31 | 91% |
| UA 1349United Airlines | 9:00am | 10:59am | 31 | 86% |
| AA 547American Airlines | 10:28am | 12:29pm | 27 | 82% |
| AA 3022American Airlines | 10:30am | 12:30pm | 4 | 89% |
| UA 503United Airlines | 10:38am | 12:29pm | 29 | 82% |
| AA 3048American Airlines | 11:58am | 1:59pm | 27 | 81% |
| AA 1610American Airlines | 12:00pm | 2:01pm | 4 | 89% |
| DL 2816Delta Air Lines | 12:25pm | 2:19pm | 26 | 77% |
| UA 472United Airlines | 12:27pm | 2:20pm | 21 | 76% |
| UA 1732United Airlines | 12:30pm | 2:23pm | 10 | 84% |
| AA 4386American Airlines · operated by Republic Airline | 1:01pm | 3:10pm | 4 | 78% |
| AA 4533American Airlines · operated by Republic Airline | 1:01pm | 3:15pm | 27 | 76% |
| AA 3711American Airlines · operated by Envoy Air | 2:00pm | 4:05pm | 31 | 78% |
| AA 1563American Airlines | 3:19pm | 5:29pm | 4 | 49% |
| UA 1475United Airlines | 3:30pm | 5:22pm | 31 | 52% |
| AA 1479American Airlines | 3:53pm | 6:04pm | 27 | 59% |
| DL 2646Delta Air Lines | 4:16pm | 6:20pm | 31 | 59% |
| UA 2040United Airlines | 5:01pm | 7:00pm | 30 | 53% |
| B6 811JetBlue | 5:21pm | 7:27pm | 26 | 53% |
| AA 1592American Airlines | 5:38pm | 7:59pm | 4 | 39% |
| AA 2837American Airlines | 5:45pm | 8:04pm | 27 | 32% |
| AA 1554American Airlines | 6:30pm | 8:59pm | 4 | 61% |
| UA 1015United Airlines | 6:42pm | 8:40pm | 31 | 50% |
| AA 3160American Airlines | 7:17pm | 9:35pm | 27 | 48% |
| UA 2229United Airlines | 8:31pm | 10:30pm | 31 | 52% |
| DL 2804Delta Air Lines | 8:50pm | 10:44pm | 31 | 44% |
Is BOS to ORD on time?
From September 2025 to August 2026, 72% of 7,860 flights arrived within 15 minutes of schedule and 3% were cancelled. Flights leaving around 6am were the most punctual (93%), those around 7pm the least (46%). Most delay time was caused by air traffic control and airport congestion (38%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 3,198 | 74% | 26 min | 3.4% |
| United Airlines | 2,791 | 75% | 23 min | 1.8% |
| Delta Air Lines | 1,319 | 65% | 28 min | 4.4% |
| JetBlue | 552 | 67% | 27 min | 3.3% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 6am to 7am | 623 | 93% | |
| 7am to 8am | 917 | 82% | |
| 8am to 9am | 512 | 87% | |
| 9am to 10am | 420 | 85% | |
| 10am to 11am | 463 | 81% | |
| 11am to 12pm | 373 | 77% | |
| 12pm to 1pm | 809 | 80% | |
| 1pm to 2pm | 303 | 76% | |
| 3pm to 4pm | 644 | 63% | |
| 4pm to 5pm | 757 | 59% | |
| 5pm to 6pm | 585 | 52% | |
| 6pm to 7pm | 441 | 54% | |
| 7pm to 8pm | 408 | 46% | |
| 8pm to 9pm | 318 | 52% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 665 | 92,975 | |
| September 2025 | 655 | 87,979 | |
| October 2025 | 690 | 98,503 | |
| November 2025 | 613 | 72,940 | |
| December 2025 | 553 | 64,512 | |
| January 2026 | 467 | 47,505 | |
| February 2026 | 468 | 47,142 | |
| March 2026 | 555 | 61,379 | |
| April 2026 | 621 | 75,697 | |
| May 2026 | 732 | 89,870 | |
| June 2026 | 725 | 94,319 | |
| July 2026 | 747 | 106,150 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.