ON TIMEBOARD
SAV Savannah / MDW Chicago

SAV → MDW on time

Savannah Hilton Head (Savannah, GA) to Chicago Midway (Chicago, IL). Every scheduled flight, September 2025 to August 2026.

On time
76%
arrived < 15 min late
Cancelled
0.5%
388 flights
Typical arrival
−3 min
median vs schedule
When late
+57 min
average delay
Flights / day
1
1 airline

76% of flights from Savannah to Chicago arrived on time over the past 12 months. That is worse than the typical U.S. route. 7% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for SAV → MDW: when a flight was late, it was under 45 minutes late 60% of the time. About 1 in 16 flights landed an hour or more late, and 1 in 97 three hours or more; 0.5% were cancelled outright.

Share of all 388 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines38876%0.5%−3 min6.2%+57 minSouthwest Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at SAV). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: too few flights (26 flights)5a6 a.m. departures: too few flights (46 flights)6a7 a.m. departures: too few flights (24 flights)7a8 a.m. departures: too few flights (9 flights)8a9 a.m. departures: too few flights9a10 a.m. departures: too few flights (5 flights)10a11 a.m. departures: too few flights (22 flights)11anoon departures: too few flights (14 flights)12p1 p.m. departures: too few flights (35 flights)1p2 p.m. departures: too few flights (17 flights)2p3 p.m. departures: too few flights (36 flights)3p4 p.m. departures: too few flights (8 flights)4p5 p.m. departures: too few flights (33 flights)5p6 p.m. departures: too few flights (75 flights)6p7 p.m. departures: too few flights (38 flights)7p
SAV → MDW, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By month

Each calendar month pooled over 2023–2026. Best: March (83%). Worst: July (68%).

40%70%100%Jan: too few flights (85 flights)JanFeb: too few flights (82 flights)FebMar: 83% on time (132 flights)83MarApr: 80% on time (128 flights)80AprMay: 73% on time (132 flights)73MayJun: 77% on time (162 flights)77JunJul: 68% on time (162 flights)68JulAug: 80% on time (111 flights)80AugSep: too few flights (97 flights)SepOct: too few flights (97 flights)OctNov: too few flights (87 flights)NovDec: too few flights (92 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday53——
Tuesday47——
Wednesday47——
Thursday51——
Friday52——
Saturday73——
Sunday65——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 46%Airline (crew, maintenance, ops) 35%Air traffic & airport (NAS) 14%Severe weather 4%

Cancellations: weather 2

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Aug 1, 202630%0
Jun 20, 2026333%0
Jul 11, 2026333%0
Jun 6, 2026367%0
Jul 25, 2026367%0

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Savannah or Chicago. None has been clearly more reliable than SAV → MDW.

RouteFlightsOn timeCancelled
SAV → MDW (this route)38876%0.5%
SAV → ORD Savannah Hilton Head to Chicago O'Hare1,56876%1.7%

Questions

How often are flights from SAV to MDW on time?

76% of 388 scheduled flights from Savannah, GA to Chicago, IL arrived within 15 minutes of schedule between September 2025 and August 2026. 0.5% were cancelled.

What month has the most delays from SAV to MDW?

July (68% on time). The best month is March (83%), over 2023–2026.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.