Best Time to Fly IDA to PHX: On-Time Stats by Hour & Airline
Idaho Falls Regional → Phoenix Sky Harbor International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 87.5% of Idaho Falls (IDA) to Phoenix (PHX) flights arrived on time (200 scheduled flights). That is 9.9 points above the national average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Saturday was the most reliable day (93% on time) and January the worst month (77%).
The cancellation rate was 0.0% (US average 1.8%).
IDA to PHX on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 87.5% | 233 min | 0.0% | 200 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly IDA to PHX
On-time arrival % by scheduled departure hour (local time), 381 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 87.4% | 0.0% | 95 |
| 6am–7am | 90.7% | 0.0% | 54 |
| 7am–8am | 86.4% | 0.4% | 229 |
| 8am–9am | Limited data | 2 | |
| 11am–12pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on IDA to PHX
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 80.0% | -7.5 pts | 0.0% | 30 |
| All other days | 87.5% | — | 0.3% | 337 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).