Flagstaff Pulliam (FLG) Delays and On-Time Departures
Flagstaff, AZ · ranked 253rd of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, Flagstaff (FLG) had 1,637 scheduled departures and 77.4% of them left on time (US average 77.4%).
That ranks 253rd of 333 US airports tracked on this site, with 2.8% of departures cancelled.
Among airlines at Flagstaff (FLG), SkyWest Airlines left on time most often (79.5%).
Over 24 months, Tuesday was the most reliable day (84% on time) and March the worst month (72%).
Best time of day to fly out of Flagstaff (FLG)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.9% | 0.8% | 125 |
| 6am–7am | 89.2% | 0.6% | 354 |
| 7am–8am | 86.1% | 1.4% | 344 |
| 8am–9am | 88.0% | 0.4% | 227 |
| 9am–10am | Limited data | 10 | |
| 10am–11am | 86.8% | 3.0% | 305 |
| 11am–12pm | 77.2% | 2.8% | 393 |
| 12pm–1pm | 71.3% | 2.5% | 561 |
| 1pm–2pm | 69.6% | 2.4% | 455 |
| 2pm–3pm | 87.6% | 1.0% | 98 |
| 3pm–4pm | Limited data | 5 | |
| 4pm–5pm | 82.9% | 0.8% | 124 |
| 5pm–6pm | 77.6% | 1.3% | 154 |
| 6pm–7pm | 74.8% | 2.2% | 268 |
| 7pm–8pm | 87.9% | 2.9% | 102 |
| 9pm–10pm | Limited data | 1 | |
| 10pm–11pm | Limited data | 2 | |
Airlines at FLG ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| SkyWest Airlines | 79.5% | 79.4% | 2.6% | 1,565 |
| American Airlines | 28.8% | 40.3% | 8.3% | 72 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of FLG
On-time departures by day, 24 months.
Best month to fly out of FLG
On-time departures by month, 24 months.
Holiday travel at Flagstaff (FLG)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 78.6% | -1.6 pts | 1.2% | 85 |
| Christmas & New Year (Dec 20 - Jan 3) | 85.6% | +5.4 pts | 1.9% | 156 |
| Summer peak (Jun 15 - Aug 15) | 78.0% | -2.2 pts | 4.4% | 499 |
| All other days | 80.2% | — | 1.5% | 2,788 |
Monthly on-time departure trend at FLG
On-time departure % each month, with the 12-month US average for reference.
Routes from Flagstaff (FLG)
Every route from FLG with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| FLG → Phoenix (PHX) | 81.2% | 2.8% | 1,202 |
| FLG → Dallas/Fort Worth (DFW) | 68.5% | 3.0% | 435 |