Best Time to Fly SAV to ORD: On-Time Stats by Hour & Airline
Savannah/Hilton Head International → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 76.9% of Savannah (SAV) to Chicago (ORD) flights arrived on time (1,566 scheduled flights). That is 0.7 points below the national average of 77.6%.
SkyWest Airlines was the most punctual of the 5 airlines on the route at 86.8%, while United Airlines trailed at 71.5%.
September has been the best month (86% on time) and Sunday the weakest day of the week (75%).
1.7% of flights were cancelled, versus 1.8% nationally.
SAV to ORD on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 86.8% | 57 min | 3.5% | 173 |
| Republic Airways | 83.6% | 60 min | 2.6% | 194 |
| Envoy Air | 83.2% | 145 min | 1.8% | 276 |
| American Airlines | 73.5% | 103 min | 1.1% | 179 |
| United Airlines | 71.5% | 84 min | 1.2% | 744 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SAV to ORD
On-time arrival % by scheduled departure hour (local time), 2,666 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 86.7% | 0.0% | 45 |
| 6am–7am | Limited data | 19 | |
| 7am–8am | Limited data | 2 | |
| 8am–9am | 87.4% | 1.6% | 121 |
| 9am–10am | 90.4% | 0.9% | 327 |
| 10am–11am | 91.7% | 2.3% | 385 |
| 11am–12pm | 84.4% | 0.8% | 475 |
| 12pm–1pm | 75.8% | 2.2% | 183 |
| 1pm–2pm | 78.3% | 0.8% | 247 |
| 2pm–3pm | Limited data | 2 | |
| 3pm–4pm | 75.0% | 1.5% | 130 |
| 4pm–5pm | 61.0% | 2.0% | 458 |
| 5pm–6pm | 64.9% | 2.3% | 215 |
| 6pm–7pm | 56.5% | 4.2% | 48 |
| 7pm–8pm | Limited data | 5 | |
| 9pm–10pm | Limited data | 2 | |
| 11pm–12am | Limited data | 2 | |
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 ORD
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 63.6% | -17.1 pts | 2.2% | 45 |
| Christmas & New Year (Dec 20 - Jan 3) | 85.1% | +4.4 pts | 0.0% | 74 |
| Summer peak (Jun 15 - Aug 15) | 69.3% | -11.5 pts | 2.7% | 482 |
| All other days | 80.8% | — | 1.4% | 2,065 |
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).