Best Time to Fly PHX to SMF: On-Time Stats by Hour & Airline
Phoenix Sky Harbor International → Sacramento International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 80.2% of Phoenix (PHX) to Sacramento (SMF) flights arrived on time (3,622 scheduled flights). That is 2.6 points above the national average of 77.6%.
Envoy Air was the most punctual of the 4 airlines on the route at 88.7%, while SkyWest Airlines trailed at 78.7%.
September has been the best month (86% on time) and Sunday the weakest day of the week (77%).
0.4% of flights were cancelled, versus 1.8% nationally.
PHX to SMF 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 |
|---|---|---|---|---|
| Envoy Air | 88.7% | 51 min | 0.7% | 143 |
| American Airlines | 81.8% | 67 min | 0.5% | 1,022 |
| Southwest Airlines | 79.1% | 48 min | 0.3% | 2,125 |
| SkyWest Airlines | 78.7% | 60 min | 0.6% | 332 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHX to SMF
On-time arrival % by scheduled departure hour (local time), 7,441 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | Limited data | 1 | |
| 5am–6am | 98.8% | 0.6% | 167 |
| 6am–7am | 99.0% | 0.3% | 303 |
| 7am–8am | 95.8% | 0.1% | 675 |
| 8am–9am | 93.0% | 0.0% | 503 |
| 9am–10am | 91.3% | 0.0% | 277 |
| 10am–11am | 85.4% | 0.1% | 694 |
| 11am–12pm | 84.5% | 0.2% | 447 |
| 12pm–1pm | 82.1% | 0.0% | 151 |
| 1pm–2pm | 83.7% | 0.7% | 695 |
| 2pm–3pm | 81.7% | 0.2% | 472 |
| 3pm–4pm | 75.9% | 0.7% | 280 |
| 4pm–5pm | 73.9% | 0.4% | 535 |
| 5pm–6pm | 75.4% | 0.4% | 478 |
| 6pm–7pm | 73.3% | 0.0% | 202 |
| 7pm–8pm | 67.7% | 0.4% | 280 |
| 8pm–9pm | 70.7% | 0.1% | 691 |
| 9pm–10pm | 66.7% | 0.6% | 317 |
| 10pm–11pm | 60.0% | 0.0% | 265 |
| 11pm–12am | Limited data | 8 | |
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 SMF
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) | 79.9% | -2.9 pts | 0.0% | 149 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.5% | -4.2 pts | 0.0% | 317 |
| Summer peak (Jun 15 - Aug 15) | 76.3% | -6.4 pts | 0.3% | 1,170 |
| All other days | 82.7% | — | 0.3% | 5,805 |
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).