Washington (IAD) to Savannah (SAV): On-Time Performance
Data through July 2026
Washington (IAD) to Savannah (SAV) is a thinner route than most in this dataset — 205 departures over the past year, roughly 4 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 85% arrived on time, comfortably above the national average of 78%.
- On-time
- 85%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 0.56
- last 12 months
- Duration
- 1h 57m
- scheduled
- Distance
- 516 mi
Best airline from IAD to SAV
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 92% | 6 min | 1.0% | 104 |
| Republic Airways | 86% | 21 min | 0.9% | 111 |
| Allegiant Air | 74% | 48 min | 1.4% | 71 |
Monthly on-time trend
Best time to fly from IAD to SAV
Aim for departures around 10 p.m. (94% on-time); avoid 3 p.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 94% | 7 min |
| Tuesday | 93% | 10 min |
| Wednesday | 82% | 13 min |
| Thursday | 74% | 42 min |
| Friday | 91% | 5 min |
| Saturday | 88% | 34 min |
| Sunday | 86% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft45%
- Airline operations22%
- National airspace system8%
- Weather25%
Frequently asked questions
- How often are flights from IAD to SAV delayed?
- 15% of IAD–SAV flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 22 minutes.
- Which airline is most reliable from IAD to SAV?
- United Airlines has the best on-time record on this route at 92%, based on 104 flights. 3 airlines flew IAD–SAV frequently enough to compare in this period.
- What is the best time of day to fly from IAD to SAV?
- Departures around 10 p.m. have the best record (94% on-time), while departures around 3 p.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IAD to SAV?
- The scheduled IAD–SAV flight time averages 1h 57m over 516 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are IAD to SAV flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What day of the week is most reliable for IAD to SAV?
- Monday flights have the best record at 94% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 74%.
Explore related pages
More routes from IAD
Other ways to fly to Savannah (SAV)
Related guides
Based on 286 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.