Best Time to Fly MDW to SAV: On-Time Stats by Hour & Airline
Chicago Midway International → Savannah/Hilton Head International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.4% of Chicago (MDW) to Savannah (SAV) flights arrived on time (389 scheduled flights). That is in line with the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
September has been the best month (88% on time) and Thursday the weakest day of the week (73%).
0.8% of flights were cancelled, versus 1.8% nationally.
MDW 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 |
|---|---|---|---|---|
| Southwest Airlines | 77.2% | 45 min | 0.8% | 385 |
| Allegiant Air | Limited data | 4 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MDW to SAV
On-time arrival % by scheduled departure hour (local time), 857 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 82.4% | 0.0% | 74 |
| 8am–9am | 82.3% | 1.4% | 69 |
| 9am–10am | Limited data | 24 | |
| 10am–11am | Limited data | 7 | |
| 11am–12pm | Limited data | 4 | |
| 12pm–1pm | 76.8% | 0.0% | 109 |
| 1pm–2pm | 83.5% | 0.5% | 189 |
| 2pm–3pm | 79.1% | 3.5% | 114 |
| 3pm–4pm | 77.5% | 0.0% | 49 |
| 4pm–5pm | Limited data | 28 | |
| 5pm–6pm | 58.5% | 0.0% | 53 |
| 6pm–7pm | 83.3% | 4.0% | 50 |
| 7pm–8pm | Limited data | 14 | |
| 8pm–9pm | 77.3% | 0.0% | 66 |
| 9pm–10pm | Limited data | 7 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MDW 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 | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 70.0% | -12.0 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 69.4% | -12.5 pts | 0.6% | 181 |
| All other days | 82.0% | — | 0.9% | 634 |
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).