FlyOnSchedule

Best Time to Fly SAV to MDW: On-Time Stats by Hour & Airline

Savannah/Hilton Head International → Chicago Midway International

Data through July 2026 · Last updated October 18, 2026

On-time arrivals79.4%last 12 months
Avg delay when late56 minflights 15+ min late
Cancelled0.5%of scheduled flights
Flights389scheduled, 12 months

389 flights were scheduled from Savannah (SAV) to Chicago (MDW) in the last 12 months, and 79.4% of those that flew arrived on time, 1.8 points above the US average of 77.6%.

Southwest Airlines was the only reporting airline with regular flights on this route.

Over 24 months, Wednesday was the most reliable day (89% on time) and July the worst month (62%).

The cancellation rate was 0.5% (US average 1.8%).

SAV to MDW on-time performance by airline

Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.

AirlineOn timeAvg delay when lateCancelledFlights
Southwest Airlines 79.2%56 min0.5% 385
Allegiant Air Limited data 4

80%+ good 70–79.9% fair <70% poor

Best time of day to fly SAV to MDW

On-time arrival % by scheduled departure hour (local time), 857 flights over 24 months.

Show the numbers
Departure hourOn timeCancelledFlights
5am–6am 94.0%0.0% 50
6am–7am 90.8%1.6% 255
7am–8am 84.0%0.0% 75
8am–9am Limited data 18
9am–10am Limited data 10
10am–11am Limited data 5
11am–12pm Limited data 24
12pm–1pm Limited data 14
1pm–2pm 87.5%0.0% 32
2pm–3pm 92.7%1.8% 56
3pm–4pm 74.4%0.0% 90
4pm–5pm 66.7%0.0% 42
5pm–6pm 65.2%0.0% 48
6pm–7pm 68.4%1.3% 78
7pm–8pm 46.4%0.0% 56
8pm–9pm Limited data 4

Best day of the week

24 months, by day of departure.

Best month to fly

24 months, by calendar month.

Holiday travel on SAV to MDW

On-time arrivals during holiday periods compared with all other days, last 24 months.

PeriodOn timevs other daysCancelledFlights
Thanksgiving week (Tue before to Mon after) Limited data 12
Christmas & New Year (Dec 20 - Jan 3) 86.7% +3.5 pts 0.0% 30
Summer peak (Jun 15 - Aug 15) 72.1% -11.1 pts 0.6% 181
All other days83.1%—0.6%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).