Route on-time record
BTV to IAD: most on-time flights and the best time to fly
Burlington (Patrick Leahy Burlington International Airport) to Dulles (Washington Dulles International Airport). 408 nonstop flights in Jun 2025 to May 2026, 85% arrived within 15 minutes and 3.7% were cancelled. The most reliable flight number was Republic 3402 at 10:12 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
BTV → IAD
Burlington to Dulles: 408 nonstop flights a year
On time (12 months)
85%
Cancelled
3.7%
avg delay 18 min
Best time to leave
9 AM to noon
92% on time vs 69% 6 to 9 PM
Most reliable airline
United
83% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · Republic 3402 · sold as American Eagle, Delta Connection or United Express
10:12 AM → 11:55 AM1h 43m nonstop
Local times, typical schedule. Last flown 2026-05-31.
88%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 1 min
- Arrived on time 100% of the time (9 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 92% on time; 6 to 9 PM: 69%).
Limited track record · 9 flights
Find 10:12 AM flight fares Opens this date on Aviasales#2 · United 2396
5:30 AM → 7:16 AM1h 46m nonstop
Local times, typical schedule. Last flown 2026-05-20.
86%
chance on time
- On time (history)
- 95%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 95% of the time (20 flights, Jun 2025 to May 2026).
Limited track record · 20 flights
Find United 2396 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines83%
71 flights · 86% on time as flown · 2.9% cancel
- Republic Airways (sold as American Eagle, Delta Connection or United Express)82%
337 flights · 85% on time as flown · 4.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM85%
136 flights · avg delay 20 min
- 9 AM to noon92%
148 flights · avg delay 6 min
- Noon to 3 PM85%
56 flights · avg delay 19 min
- 6 to 9 PM69%
68 flights · avg delay 40 min
Best day: Saturday (91%). Worst: Thursday (84%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Late-arriving aircraft53%
- Airline (crew, maintenance, boarding)28%
- Air traffic control and airport volume16%
- Severe weather3%
Share of delay minutes by the cause airlines report to the US DOT.
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
BTV to IAD questions
- What time of day is best to fly BTV to IAD?
- 9 AM to noon: 92% of flights arrived on time, against 69% for departures 6 to 9 PM.
- Which airline is most on time from BTV to IAD?
- United, with a season-adjusted 83% chance of operating and arriving on time over 71 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on BTV to IAD?
- July (83% on time); the best was November (91%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from BTV
- IAD to BTV (return)
- BTV to ORD 64%
- BTV to DCA 66%
- BTV to PHL 77%
- BTV to EWR 79%
- BTV to CLT 78%
- BTV to ATL 84%
Live status: FAA delays and ground stops