Boise (BOI) to Phoenix (PHX) flights
SkyWest Airlines, Southwest Airlines, American Airlines fly nonstop from Boise Air Terminal/Gowen Field to Phoenix Sky Harbor International Airport, with about 41 flights a week in July 2026. The 735-mile flight takes about 2h 7m gate to gate.
- Distance
- 735 mi · 1,183 km
- Flight time
- 2h 7m
- Airlines
- 3
- Seats filled
- 83%
Airlines flying BOI to PHX
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 26 | Embraer E175, Bombardier CRJ700, Bombardier CRJ900 | 64,654 | 2h 14m |
| Southwest Airlines | 14 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 107,005 | 1h 59m |
| American Airlines | <1 | Airbus A319, Airbus A320-100/200, Airbus A321 | 5,875 | 2h 4m |
| Envoy AirSeasonal or ended | n/a | Embraer E175 | 7,864 | 2h 6m |
| Horizon AirSeasonal or ended | n/a | Embraer E175 | 19,608 | 2h 6m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BOI to PHX flight schedule
12 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 7:05am and the last at 5:40pm. 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) |
|---|---|---|---|---|
| WN 1021Southwest Airlines | 7:05am | 8:10am | 16 | 100% |
| WN 1673Southwest Airlines | 7:30am | 8:35am | 12 | 100% |
| AA 6475American Airlines · operated by SkyWest Airlines | 8:01am | 9:23am | 31 | 94% |
| AA 3338American Airlines · operated by Envoy Air | 1:55pm | 3:06pm | 27 | 93% |
| AA 4948American Airlines · operated by SkyWest Airlines | 1:57pm | 3:16pm | 4 | 85% |
| AS 3095Alaska Airlines · operated by SkyWest Airlines | 2:55pm | 4:14pm | 18 | 94% |
| WN 4826Southwest Airlines | 3:25pm | 4:35pm | 6 | n/a |
| AS 3316Alaska Airlines · operated by SkyWest Airlines | 3:30pm | 4:48pm | 13 | 92% |
| WN 1061Southwest Airlines | 3:40pm | 4:55pm | 6 | n/a |
| WN 1666Southwest Airlines | 4:55pm | 6:10pm | 12 | 67% |
| AA 4919American Airlines · operated by SkyWest Airlines | 5:19pm | 6:44pm | 27 | 93% |
| WN 1322Southwest Airlines | 5:40pm | 6:50pm | 4 | n/a |
Is BOI to PHX on time?
From September 2025 to August 2026, 83% of 2,346 flights arrived within 15 minutes of schedule and 0.3% were cancelled. Flights leaving around 5am were the most punctual (99%), those around 5pm the least (71%). Most delay time was caused by late-arriving aircraft (53%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 1,039 | 85% | 15 min | 0.3% |
| Southwest Airlines | 818 | 83% | 11 min | 0.5% |
| Alaska Airlines | 489 | 81% | 11 min | 0.2% |
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 |
|---|---|---|---|
| 5am to 6am | 161 | 99% | |
| 6am to 7am | 372 | 96% | |
| 7am to 8am | 106 | 91% | |
| 8am to 9am | 152 | 93% | |
| 11am to 12pm | 56 | 77% | |
| 12pm to 1pm | 230 | 85% | |
| 1pm to 2pm | 218 | 81% | |
| 2pm to 3pm | 234 | 82% | |
| 3pm to 4pm | 126 | 77% | |
| 4pm to 5pm | 141 | 75% | |
| 5pm to 6pm | 220 | 71% | |
| 6pm to 7pm | 269 | 74% | |
| 7pm to 8pm | 52 | 48% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 175 | 15,036 | |
| September 2025 | 152 | 15,014 | |
| October 2025 | 209 | 19,672 | |
| November 2025 | 223 | 19,476 | |
| December 2025 | 224 | 19,743 | |
| January 2026 | 208 | 17,385 | |
| February 2026 | 179 | 16,114 | |
| March 2026 | 212 | 18,065 | |
| April 2026 | 199 | 16,097 | |
| May 2026 | 189 | 17,635 | |
| June 2026 | 179 | 15,272 | |
| July 2026 | 182 | 16,286 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.