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Ranking & search details
3 nonstop, 1 with 1 connection · ranked by overall best · 1 hidden by your Most reliable time setting (they leave at other times of day)
Most reliable time: morning departures (5–11 AM), the window with the best on-time odds for this trip. Turn off “Most reliable” under Departure time in Advanced settings to see every time.
3 matching trips
Why this is our top pick
- This morning flight leaves in the most reliable time of day on this route: its best departures have an 81% reliability rating vs 69% for overnight departures.
- American trips we compared arrive on time 90% of the time on average, 15 points more often than United (75%).
- Compared with the next-best option (Republic 3505 on the Embraer E175), it arrives on time 8 points more often.
- Legroom was comparable across the flights we compared (30 in), so it didn't set them apart.
8:23 AM3:12 PMIAD → BTV
United · UA 2396 / YX 3451
6h 49m1 stop
3h 49m in EWR
One ticket
82%arrive on time92% connections madeCheck fares
Aircraft and legroom reflect the planes each flight has flown recently. Airlines can swap planes and seat maps change, so check the airline’s seat map when you book.
IAD → BTV
Dulles to Burlington: 595 nonstop flights a year
On time (12 months)
82%
Cancelled
3.2%
avg delay 18 min
Best time to leave
Before 9 AM
91% on time vs 66% 3 to 6 PM
Most reliable airline
Republic
81% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Republic Airways (sold as American Eagle, Delta Connection or United Express)81%
515 flights · 84% on time as flown · 3.4% cancel
- United Airlines73%
80 flights · 68% on time as flown · 2.5% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM91%
321 flights · avg delay 5 min
- Noon to 3 PM87%
31 flights · avg delay 5 min
- 3 to 6 PM66%
107 flights · avg delay 35 min
- After 9 PM71%
136 flights · avg delay 41 min
Best day: Monday (88%). Worst: Saturday (81%).
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure