SAV to IAD flight delays & on-time performance
Nonstop flights from Savannah Hilton Head International Airport to Washington Dulles International Airport · 516 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SAV or IAD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Savannah (SAV) to Washington (IAD) arrived on time 91% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1% were cancelled, and 4% arrived an hour or more late.
- Republic Airways was the most punctual airline here (96% on time); Allegiant Air was the least (78%).
- Departures scheduled around 5am did best (100% on time); around 2pm did worst (90%).
- Tuesday was the most reliable day to fly (100% on time) and Thursday the least (81%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (73%).
Which airline is most on time from SAV to IAD?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 96% | 0.0% | 3 min | 2.0% | 51 |
| United Airlines | 95% | 1.0% | 3 min | 1.0% | 104 |
| Allegiant Air | 78% | 2.0% | 50 min | 14.3% | 50 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am100%32 flights
- 12pm93%72 flights
- 1pm97%31 flights
- 2pm90%30 flights
- 5pm79%14 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday96%0.0% cancelled
- Tuesday100%0.0% cancelled
- Wednesday95%0.0% cancelled
- Thursday81%2.1% cancelled
- Friday92%0.0% cancelled
- Saturday95%0.0% cancelled
- Sunday91%2.2% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)73%
- Late-arriving aircraft18%
- Air traffic control & airport congestion5%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather50%
- Air traffic control & airport congestion50%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
SAV to IAD: common questions
- How often are SAV to IAD flights on time?
- 91% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Savannah to Washington cancelled?
- 1.0% of scheduled flights were cancelled (2 of 205).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 157 min behind schedule on average, and 4.4% of flights were an hour or more late.
- How long is taxi time at SAV?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: IAD to SAV — 89% on time
More flights from Savannah
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SAV → IAD, nonstop flights by US airlines that report to the DOT. How we calculate this.