Kansas City (MCI) to Boston (BOS) flights
Delta Air Lines, Southwest Airlines fly nonstop from Kansas City International Airport to Boston Logan International Airport, with about 19 flights a week in July 2026. The 1,256-mile flight takes about 3h 0m gate to gate.
- Distance
- 1,256 mi · 2,021 km
- Flight time
- 3h 0m
- Airlines
- 2
- Seats filled
- 74%
Airlines flying MCI to BOS
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 12 | Airbus A220-100, Airbus A220-300 | 25,169 | 3h 1m |
| Southwest Airlines | 7 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 8,456 | 2h 57m |
| Republic AirlineSeasonal or ended | n/a | Embraer E175 | 14,857 | 2h 59m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MCI to BOS flight schedule
2 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 9:40am and the last at 7:40pm. 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) |
|---|---|---|---|---|
| DL 675Delta Air Lines | 9:40am | 1:44pm | 30 | 83% |
| DL 314Delta Air Lines | 7:40pm | 11:50pm | 25 | 62% |
Is MCI to BOS on time?
From September 2025 to August 2026, 71% of 650 flights arrived within 15 minutes of schedule and 2.9% were cancelled. Flights leaving around 9am were the most punctual (82%), those around 12pm the least (56%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (47%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 590 | 74% | 31 min | 3.2% |
| Southwest Airlines | 60 | 45% | 37 min | 0% |
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 |
|---|---|---|---|
| 9am to 10am | 220 | 82% | |
| 10am to 11am | 16 | 56% | |
| 11am to 12pm | 31 | 68% | |
| 12pm to 1pm | 33 | 56% | |
| 1pm to 2pm | 14 | 92% | |
| 2pm to 3pm | 98 | 65% | |
| 6pm to 7pm | 88 | 61% | |
| 7pm to 8pm | 138 | 72% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 55 | 3,286 | |
| September 2025 | 54 | 3,678 | |
| October 2025 | 54 | 4,133 | |
| November 2025 | 51 | 3,101 | |
| December 2025 | 41 | 2,643 | |
| January 2026 | 30 | 1,505 | |
| February 2026 | 25 | 1,347 | |
| March 2026 | 54 | 3,339 | |
| April 2026 | 51 | 3,015 | |
| May 2026 | 58 | 5,310 | |
| June 2026 | 76 | 8,457 | |
| July 2026 | 85 | 9,639 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.