Route on-time record
SAV to MDW: most on-time flights and the best time to fly
Savannah (Savannah Hilton Head International Airport) to Chicago (Chicago Midway International Airport). 416 nonstop flights in Jun 2025 to May 2026, 81% arrived within 15 minutes and 0.5% were cancelled. The most reliable flight number was Southwest 2120 at 7:25 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
SAV → MDW
Savannah to Chicago: 416 nonstop flights a year
On time (12 months)
81%
Cancelled
0.5%
avg delay 14 min
Best time to leave
Before 9 AM
93% on time vs 62% 6 to 9 PM
Most reliable airline
Southwest
80% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · Southwest 2120
7:25 AM → 8:45 AM2h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
83%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 55 min
- Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 62%).
- Lands inside MDW's trouble window: 50% of its 30 ground stops and delay programs started between 7 AM and 1 PM.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 2120 fares Opens this date on Aviasales#2 · Southwest 3106
10:45 AM → 12:05 PM2h 18m nonstop
Local times, typical schedule. Last flown 2026-04-05.
78%
chance on time
- On time (history)
- 60%
- Cancelled
- 0.0%
- Avg arrival delay
- 25 min
- Arrived on time 60% of the time (10 flights, Jun 2025 to May 2026).
- Lands inside MDW's trouble window: 50% of its 30 ground stops and delay programs started between 7 AM and 1 PM.
- Short track record (10 flights), so its score leans on the airline's record at this hour.
Limited track record · 10 flights
Find Southwest 3106 fares Opens this date on Aviasales#3 · Southwest 3385
6:25 PM → 7:45 PM2h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
77%
chance on time
- On time (history)
- 74%
- Cancelled
- 0.0%
- Avg arrival delay
- 17 min
- Arrived on time 74% of the time (54 flights, Jun 2025 to May 2026).
- Never cancelled in 54 scheduled flights.
- Leaves in this route's least on-time window (6 to 9 PM: 62% on time; Before 9 AM: 93%).
- Short track record (54 flights), so its score leans on the airline's record at this hour.
Limited track record · 54 flights
Find Southwest 3385 fares Opens this date on Aviasales#4 · Southwest 3569
5:35 PM → 6:50 PM2h 15m nonstop
Local times, typical schedule. Last flown 2026-04-06.
75%
chance on time
- On time (history)
- 68%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 68% of the time (31 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- 73% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (31 flights), so its score leans on the airline's record at this hour.
Limited track record · 31 flights
Find Southwest 3569 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines80%
394 flights · 80% on time as flown · 0.5% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
169 flights · avg delay 7 min
- Noon to 3 PM86%
64 flights · avg delay 6 min
- 3 to 6 PM64%
74 flights · avg delay 32 min
- 6 to 9 PM62%
82 flights · avg delay 22 min
Best day: Wednesday (90%). Worst: Sunday (72%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Late-arriving aircraft50%
- Airline (crew, maintenance, boarding)39%
- Air traffic control and airport volume11%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
SAV to MDW questions
- What time of day is best to fly SAV to MDW?
- Before 9 AM: 93% of flights arrived on time, against 62% for departures 6 to 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from SAV to MDW?
- Southwest, with a season-adjusted 80% chance of operating and arriving on time over 394 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on SAV to MDW?
- July (69% on time); the best was February (90%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from SAV
- MDW to SAV (return)
- SAV to ATL 88%
- SAV to CLT 84%
- SAV to ORD 76%
- SAV to EWR 77%
- SAV to BOS 68%
- SAV to DCA 77%
- SAV to DFW 75%
- SAV to BWI 80%
- SAV to PHL 80%
- SAV to BNA 80%
- SAV to MIA 85%
- SAV to JFK 78%
Live status: FAA delays and ground stops