Best Time to Fly PHX to DTW: On-Time Stats by Hour & Airline
Phoenix Sky Harbor International → Detroit Metro Wayne County
Data through July 2026 · Last updated October 18, 2026
2,397 flights were scheduled from Phoenix (PHX) to Detroit (DTW) in the last 12 months, and 80.3% of those that flew arrived on time, 2.7 points above the US average of 77.6%.
Among 5 airlines, Delta Air Lines led with 83.8% on time and Southwest Airlines was last with 56.7%.
Over 24 months, Tuesday was the most reliable day (86% on time) and July the worst month (76%).
The cancellation rate was 0.8% (US average 1.8%).
PHX to DTW 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 |
|---|---|---|---|---|
| Delta Air Lines | 83.8% | 80 min | 0.8% | 1,332 |
| Spirit Airlines | 80.7% | 139 min | 2.1% | 95 |
| American Airlines | 76.2% | 75 min | 0.5% | 628 |
| Frontier Airlines | 75.7% | 86 min | 1.0% | 312 |
| Southwest Airlines | 56.7% | 38 min | 0.0% | 30 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHX to DTW
On-time arrival % by scheduled departure hour (local time), 4,796 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | 72.7% | 0.0% | 89 |
| 5am–6am | 96.9% | 0.0% | 32 |
| 6am–7am | 91.9% | 0.6% | 683 |
| 7am–8am | 88.8% | 0.5% | 189 |
| 8am–9am | 85.7% | 0.0% | 49 |
| 9am–10am | 83.7% | 0.3% | 347 |
| 10am–11am | 85.5% | 0.5% | 413 |
| 11am–12pm | 87.0% | 0.3% | 363 |
| 12pm–1pm | 81.4% | 0.9% | 321 |
| 1pm–2pm | 85.1% | 0.0% | 47 |
| 2pm–3pm | 82.3% | 2.3% | 88 |
| 3pm–4pm | 76.5% | 0.2% | 507 |
| 4pm–5pm | 74.3% | 0.4% | 517 |
| 5pm–6pm | 74.4% | 1.6% | 128 |
| 6pm–7pm | 59.2% | 0.0% | 49 |
| 9pm–10pm | 82.5% | 0.0% | 63 |
| 10pm–11pm | 78.9% | 1.6% | 188 |
| 11pm–12am | 80.1% | 1.0% | 723 |
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 DTW
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) | 86.0% | +2.5 pts | 0.0% | 93 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.2% | -7.3 pts | 2.3% | 216 |
| Summer peak (Jun 15 - Aug 15) | 77.9% | -5.6 pts | 1.0% | 873 |
| All other days | 83.5% | — | 0.4% | 3,614 |
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).