Savannah (SAV) to Dulles (IAD) flights
Mesa Airlines, United Airlines, Allegiant Air fly nonstop from Savannah Hilton Head International Airport to Washington Dulles International Airport, with about 22 flights a week in July 2026. The 516-mile flight takes about 1h 39m gate to gate.
- Distance
- 516 mi · 830 km
- Flight time
- 1h 39m
- Airlines
- 3
- Seats filled
- 72%
Airlines flying SAV to IAD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Mesa Airlines | 14 | Embraer E175 | 51,987 | 1h 39m |
| United Airlines | 7 | Boeing 737-900ER, Boeing 737-700 / MAX 7, Boeing 737-800 | 8,765 | 1h 36m |
| Allegiant Air | 2 | Airbus A319, Airbus A320-100/200 | 4,970 | 1h 37m |
| Republic AirlineSeasonal or ended | n/a | Embraer E175 | 3,702 | 1h 41m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SAV to IAD flight schedule
4 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 9:50am and the last at 7:30pm. 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 6366United Airlines · operated by Mesa Airlines | 9:50am | 11:33am | 25 | 92% |
| UA 2057United Airlines | 12:05pm | 1:45pm | 10 | 91% |
| UA 4006United Airlines · operated by Mesa Airlines | 2:10pm | 3:53pm | 21 | 85% |
| UA 6165United Airlines · operated by Mesa Airlines | 7:30pm | 9:13pm | 28 | 85% |
Is SAV to IAD on time?
From September 2025 to August 2026, 88% of 1,144 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 12pm were the most punctual (91%), those around 7pm the least (85%). Most delay time was caused by late-arriving aircraft (43%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,098 | 89% | 12 min | 1.1% |
| Allegiant Air | 46 | 75% | 55 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 |
|---|---|---|---|
| 5am to 6am | 47 | 100% | |
| 9am to 10am | 334 | 91% | |
| 12pm to 1pm | 82 | 91% | |
| 1pm to 2pm | 33 | 94% | |
| 2pm to 3pm | 259 | 86% | |
| 7pm to 8pm | 362 | 85% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 98 | 6,090 | |
| September 2025 | 82 | 4,824 | |
| October 2025 | 101 | 6,084 | |
| November 2025 | 95 | 5,339 | |
| December 2025 | 95 | 5,282 | |
| January 2026 | 82 | 4,213 | |
| February 2026 | 76 | 4,270 | |
| March 2026 | 90 | 5,351 | |
| April 2026 | 119 | 7,552 | |
| May 2026 | 107 | 6,777 | |
| June 2026 | 94 | 6,708 | |
| July 2026 | 99 | 7,211 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.