Best Time to Fly DTW to SAV: On-Time Stats by Hour & Airline
Detroit Metro Wayne County → Savannah/Hilton Head International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 78.4% of Detroit (DTW) to Savannah (SAV) flights arrived on time (595 scheduled flights). That is 0.7 points above the national average of 77.6%.
Among 2 airlines, Delta Air Lines led with 86.7% on time and SkyWest Airlines was last with 65.7%.
Over 24 months, Wednesday was the most reliable day (88% on time) and January the worst month (50%).
The cancellation rate was 1.2% (US average 1.8%).
DTW to SAV 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 | 86.7% | 55 min | 1.9% | 361 |
| SkyWest Airlines | 65.7% | 76 min | 0.0% | 234 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DTW to SAV
On-time arrival % by scheduled departure hour (local time), 938 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 87.1% | 1.6% | 426 |
| 10am–11am | 87.7% | 0.0% | 187 |
| 2pm–3pm | Limited data | 14 | |
| 3pm–4pm | 64.8% | 0.3% | 306 |
| 4pm–5pm | Limited data | 5 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DTW to SAV
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 | 18 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 20 | ||
| Summer peak (Jun 15 - Aug 15) | 71.9% | -10.6 pts | 1.3% | 227 |
| All other days | 82.5% | — | 0.7% | 673 |
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).