Dulles (IAD) to Savannah (SAV) flights
Mesa Airlines, United Airlines, Allegiant Air fly nonstop from Washington Dulles International Airport to Savannah Hilton Head International Airport, with about 22 flights a week in July 2026. The 516-mile flight takes about 1h 47m gate to gate.
- Distance
- 516 mi · 830 km
- Flight time
- 1h 47m
- Airlines
- 3
- Seats filled
- 74%
Airlines flying IAD to SAV
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Mesa Airlines | 14 | Embraer E175 | 53,286 | 1h 48m |
| United Airlines | 7 | Boeing 737-900ER, Boeing 737-700 / MAX 7, Boeing 737-800 | 9,150 | 1h 42m |
| Allegiant Air | 2 | Airbus A319, Airbus A320-100/200 | 4,903 | 1h 44m |
| Republic AirlineSeasonal or ended | n/a | Embraer E175 | 3,166 | 1h 49m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IAD to SAV flight schedule
5 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 9:00am and the last at 5:38pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 2244United Airlines | 9:00am | 10:52am | 10 | 89% |
| UA 6321United Airlines · operated by Mesa Airlines | 9:00am | 10:55am | 15 | 91% |
| UA 6193United Airlines · operated by Mesa Airlines | 12:45pm | 2:38pm | 31 | 80% |
| G4 2804Allegiant Air | 4:27pm | 6:16pm | 4 | n/a |
| UA 3981United Airlines · operated by Mesa Airlines | 5:38pm | 7:35pm | 28 | 79% |
Is IAD to SAV on time?
From September 2025 to August 2026, 84% of 1,139 flights arrived within 15 minutes of schedule and 1.1% were cancelled. Flights leaving around 8am were the most punctual (93%), those around 5pm the least (81%). Most delay time was caused by late-arriving aircraft (36%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,093 | 85% | 14 min | 0.9% |
| Allegiant Air | 46 | 71% | 54 min | 4.3% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 8am to 9am | 218 | 93% | |
| 9am to 10am | 100 | 88% | |
| 12pm to 1pm | 364 | 82% | |
| 5pm to 6pm | 364 | 81% | |
| 10pm to 11pm | 52 | 89% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 98 | 6,078 | |
| September 2025 | 82 | 4,877 | |
| October 2025 | 101 | 6,223 | |
| November 2025 | 95 | 5,192 | |
| December 2025 | 95 | 5,769 | |
| January 2026 | 78 | 3,930 | |
| February 2026 | 77 | 4,439 | |
| March 2026 | 89 | 5,511 | |
| April 2026 | 119 | 6,902 | |
| May 2026 | 106 | 6,530 | |
| June 2026 | 94 | 7,335 | |
| July 2026 | 98 | 7,921 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.