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Route Reliability

Chicago → Savannah

MDW–SAV · 758 miles · Chicago Midway International Airport to Savannah/Hilton Head International Airport

81
Pretty Reliable
WanderNerd Reliability Score
77%
Arrive within 15 minutes
7 min
Average arrival delay
0.7%
Cancelled
416
Flights in the data

Data through May 2026.

Airlines on this route

  • Southwest Airlines77% on time · 394 flights
  • Allegiant Air73% on time · 22 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning-you made the right choice.

MDW–SAV flights departing between 9 AM–12 PM arrived on time 88% of the time, versus 73% between 6–9 PM.

Skip Monday if you can.

MDW–SAV flights arrived on time 82% of the time on Fridays. On Mondays: 71%.

Slipping a little lately.

MDW–SAV flights arrived on time 74% of the time over the last three months in the data, compared with 81% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon71%(63 flights)
  • Tue77%(43 flights)
  • Wed77%(44 flights)
  • Thu80%(51 flights)
  • Fri82%(61 flights)
  • Sat75%(76 flights)
  • Sun76%(74 flights)
On-time by departure window
  • 6–9 AM78%(81 flights)
  • 9 AM–12 PM88%(24 flights)
  • 12–3 PM76%(219 flights)
  • 3–6 PM76%(59 flights)
  • 6–9 PM73%(22 flights)
  • 9 PM–12 AM—(7 flights)
On-time trend by month
67%
May

Jun 75% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%52
July 202565%51
August 202579%34
September 202584%25
October 202590%30
November 202579%28
December 202568%31
January 202682%27
February 202692%26
March 202676%37
April 202680%35
May 202667%36

Same trip, other airports

Keep nerding

Based on 416 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.