Boston (BOS) to Kansas City (MCI) flights
Delta Air Lines, Southwest Airlines fly nonstop from Boston Logan International Airport to Kansas City International Airport, with about 19 flights a week in July 2026. The 1,256-mile flight takes about 3h 35m gate to gate.
- Distance
- 1,256 mi · 2,021 km
- Flight time
- 3h 35m
- Airlines
- 2
- Seats filled
- 73%
Airlines flying BOS to MCI
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 12 | Airbus A220-100, Airbus A220-300, Airbus A321 | 24,039 | 3h 31m |
| Southwest Airlines | 7 | Boeing 737-700 / MAX 7, Boeing 737-800, Boeing 737 MAX 8 | 8,584 | 3h 27m |
| Republic AirlineSeasonal or ended | n/a | Embraer E175 | 15,067 | 3h 42m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BOS to MCI flight schedule
2 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 6:10am and the last at 4:05pm. 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 | 6:10am | 8:41am | 30 | 86% |
| DL 314Delta Air Lines | 4:05pm | 6:43pm | 25 | 69% |
Is BOS to MCI on time?
From September 2025 to August 2026, 77% of 650 flights arrived within 15 minutes of schedule and 2.6% were cancelled. Flights leaving around 6am were the most punctual (88%), those around 2pm the least (56%). Most delay time was caused by late-arriving aircraft (43%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 590 | 79% | 16 min | 2.7% |
| Southwest Airlines | 60 | 56% | 22 min | 1.7% |
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 | 235 | 88% | |
| 7am to 8am | 20 | 70% | |
| 8am to 9am | 14 | 93% | |
| 9am to 10am | 19 | 88% | |
| 10am to 11am | 53 | 82% | |
| 11am to 12pm | 18 | 72% | |
| 2pm to 3pm | 69 | 56% | |
| 3pm to 4pm | 75 | 61% | |
| 4pm to 5pm | 144 | 72% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 57 | 3,704 | |
| September 2025 | 53 | 3,696 | |
| October 2025 | 55 | 4,365 | |
| November 2025 | 52 | 3,401 | |
| December 2025 | 45 | 3,434 | |
| January 2026 | 31 | 1,345 | |
| February 2026 | 27 | 1,378 | |
| March 2026 | 51 | 2,851 | |
| April 2026 | 51 | 3,071 | |
| May 2026 | 57 | 4,272 | |
| June 2026 | 75 | 7,764 | |
| July 2026 | 86 | 9,729 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.