Best Time to Fly PHX to BHM: On-Time Stats by Hour & Airline
Phoenix Sky Harbor International → Birmingham-Shuttlesworth International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 74.6% of Phoenix (PHX) to Birmingham (BHM) flights arrived on time (185 scheduled flights). That is 3.0 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
May has been the best month (85% on time) and Thursday the weakest day of the week (70%).
0.0% of flights were cancelled, versus 1.8% nationally.
PHX to BHM 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 |
|---|---|---|---|---|
| Southwest Airlines | 74.6% | 40 min | 0.0% | 185 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHX to BHM
On-time arrival % by scheduled departure hour (local time), 400 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 11 | |
| 8am–9am | Limited data | 18 | |
| 9am–10am | 84.4% | 0.0% | 45 |
| 10am–11am | 73.7% | 0.0% | 76 |
| 11am–12pm | 90.3% | 0.0% | 31 |
| 12pm–1pm | 69.4% | 0.0% | 49 |
| 1pm–2pm | 82.6% | 0.0% | 86 |
| 2pm–3pm | Limited data | 25 | |
| 3pm–4pm | Limited data | 24 | |
| 6pm–7pm | Limited data | 25 | |
| 7pm–8pm | Limited data | 10 | |
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 BHM
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 | 11 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 22 | ||
| Summer peak (Jun 15 - Aug 15) | 82.0% | +3.8 pts | 0.0% | 50 |
| All other days | 78.2% | — | 0.0% | 317 |
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).