Boise (BOI) departure delays
2,002 departures · 22 routes · March 2025 – August 2026
78.33%
Left on time
Within 15 minutes of schedule
0.65%
Cancelled
Share of departures
71 min
When late, late by
Average delayed departure
#31
Rank
Among graded US airports
What the record says about BOI
BOI runs about as well as the average airport here.
The airlines flying from here are not equally affected. Delta Air Lines left on time 14 points more often than Southwest Airlines from the same airport — which is the clearest evidence available that a delayed departure is not purely the airport's fault.
Which airlines run best out of BOI
| Airline | Departures | On time |
|---|---|---|
| Delta Air Lines | 245 | 87.1% |
| SkyWest Airlines | 761 | 84.6% |
| Southwest Airlines | 467 | 73.1% |