Best Time to Fly PHX to FLG: On-Time Stats by Hour & Airline
Phoenix Sky Harbor International → Flagstaff Pulliam
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.7% of Phoenix (PHX) to Flagstaff (FLG) flights arrived on time (1,201 scheduled flights). That is in line with the national average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (85% on time) and July the worst month (69%).
The cancellation rate was 2.8% (US average 1.8%).
PHX to FLG 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 | 77.7% | 102 min | 2.8% | 1,201 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHX to FLG
On-time arrival % by scheduled departure hour (local time), 2,593 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 86.4% | 3.3% | 276 |
| 9am–10am | 90.6% | 1.5% | 130 |
| 10am–11am | 80.5% | 2.3% | 395 |
| 11am–12pm | 80.3% | 1.2% | 240 |
| 12pm–1pm | 77.3% | 2.6% | 113 |
| 1pm–2pm | 82.0% | 1.0% | 101 |
| 2pm–3pm | 81.0% | 1.5% | 65 |
| 3pm–4pm | 83.7% | 0.0% | 196 |
| 4pm–5pm | 78.3% | 1.3% | 229 |
| 5pm–6pm | 81.7% | 2.2% | 273 |
| 6pm–7pm | Limited data | 5 | |
| 7pm–8pm | 77.4% | 2.5% | 118 |
| 8pm–9pm | 59.2% | 0.0% | 121 |
| 9pm–10pm | 79.5% | 0.0% | 133 |
| 10pm–11pm | 80.3% | 0.7% | 153 |
| 11pm–12am | 66.7% | 6.7% | 45 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHX to FLG
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) | 68.2% | -13.4 pts | 1.6% | 64 |
| Christmas & New Year (Dec 20 - Jan 3) | 87.7% | +6.1 pts | 0.9% | 108 |
| Summer peak (Jun 15 - Aug 15) | 72.6% | -9.0 pts | 4.3% | 375 |
| All other days | 81.6% | — | 1.3% | 2,046 |
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).