Route
SAV → IAD
Savannah Hilton Head International Airport Washington Dulles International Airport
516 miles
Return route IAD → SAV →
How punctual is this route?
- On-time arrivals
- 90.1%
- Less than 15 minutes late
- Cancelled
- 1.5%
- Of scheduled flights
- Average delay when late
- 149 min
- Flights arriving 15+ minutes late
- Flights tracked
- 205
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 71%
- Late-arriving aircraft 23%
- Extreme weather 4%
- Air traffic control & airport 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 100.0% | 21 |
| October 2025 | 86.7% | 30 |
| November 2025 | 88.9% | 9 |
| December 2025 | 77.8% | 9 |
| January 2026 | 100.0% | 1 |
| March 2026 | 100.0% | 2 |
| April 2026 | 100.0% | 30 |
| May 2026 | 100.0% | 11 |
| June 2026 | 91.2% | 34 |
| July 2026 | 84.2% | 40 |
| August 2026 | 76.5% | 18 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 117 | 94.0% | 0.9% | 60 min |
| Allegiant Air | 46 | 75.0% | 4.3% | 221 min |
| Republic Airways | 42 | 95.2% | 0.0% | 69 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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