Chicago (MDW) to Savannah (SAV): On-Time Performance
Data through May 2026
When you fly MDW to SAV matters as much as anything else about the booking: the route swung from 94% on-time in September 2024 to just 63% in July 2024. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (82% vs 72%), which matters most in the rough months.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 1.1
- last 12 months
- Duration
- 2h 4m
- scheduled
- Distance
- 758 mi
Best airline from MDW to SAV
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 79% | 12 min | 0.9% | 858 |
| Allegiant Air | 78% | 17 min | 0.0% | 68 |
Monthly on-time trend
Best time to fly from MDW to SAV
Aim for departures around 8 a.m. (84% on-time); avoid 7 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 12 min |
| Tuesday | 77% | 13 min |
| Wednesday | 80% | 11 min |
| Thursday | 73% | 15 min |
| Fridaybest | 83% | 10 min |
| Saturday | 80% | 12 min |
| Sunday | 79% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft49%
- Airline operations26%
- National airspace system22%
- Weather3%
Frequently asked questions
- How often are flights from MDW to SAV delayed?
- 22% of MDW–SAV flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 12 minutes.
- Which airline is most reliable from MDW to SAV?
- Southwest Airlines has the best on-time record on this route at 79%, based on 858 flights. 2 airlines flew MDW–SAV frequently enough to compare in this period.
- What is the best time of day to fly from MDW to SAV?
- Departures around 8 a.m. have the best record (84% on-time), while departures around 7 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MDW to SAV?
- The scheduled MDW–SAV flight time averages 2h 4m over 758 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are MDW to SAV flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from MDW to SAV?
- July 2024 was the roughest month in this dataset, with only 63% of arrivals on time. The best was September 2024 at 94%. If your dates are flexible, that 31-point gap is worth planning around.
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Based on 926 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.