Billings (BIL) to Phoenix (AZA): On-Time Performance
Data through May 2026
Billings (BIL) to Phoenix (AZA) is a thinner route than most in this dataset — 174 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 77% arrived on time.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 0.48
- last 12 months
- Duration
- 2h 25m
- scheduled
- Distance
- 878 mi
Monthly on-time trend
Best time to fly from BIL to AZA
Aim for departures around 4 p.m. (86% on-time); avoid 6 p.m. departures (62%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 11 min |
| Tuesdaybest | 90% | 7 min |
| Wednesday | 81% | 15 min |
| Thursday | 51% | 43 min |
| Friday | 82% | 12 min |
| Saturday | 73% | 41 min |
| Sunday | 75% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft44%
- Airline operations34%
- National airspace system15%
- Weather7%
Frequently asked questions
- How often are flights from BIL to AZA delayed?
- 23% of BIL–AZA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 19 minutes.
- What is the best time of day to fly from BIL to AZA?
- Departures around 4 p.m. have the best record (86% on-time), while departures around 6 p.m. have the worst (62%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BIL to AZA?
- The scheduled BIL–AZA flight time averages 2h 25m over 878 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are BIL to AZA flights cancelled?
- 0.5% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for BIL to AZA?
- Friday flights have the best record at 82% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 51%.
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Based on 384 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.