Route on-time record
IND to IAD: most on-time flights and the best time to fly
Indianapolis (Indianapolis International Airport) to Dulles (Washington Dulles International Airport). 1,026 nonstop flights in Jun 2025 to May 2026, 85% arrived within 15 minutes and 1.8% were cancelled. The most reliable flight number was Republic 3709 at 10:02 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
IND → IAD
Indianapolis to Dulles: 1,026 nonstop flights a year
On time (12 months)
85%
Cancelled
1.8%
avg delay 11 min
Best time to leave
9 AM to noon
91% on time vs 80% noon to 3 PM
Most reliable airline
United
85% 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 3709 · sold as American Eagle, Delta Connection or United Express
10:02 AM → 11:47 AM1h 45m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
- On time (history)
- 91%
- Cancelled
- 1.0%
- Avg arrival delay
- 4 min
- Arrived on time 91% of the time (292 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 91% on time; Noon to 3 PM: 80%).
Strong track record · 292 flights
Find 10:02 AM flight fares Opens this date on Aviasales#2 · Republic 3494 · sold as American Eagle, Delta Connection or United Express
5:45 AM → 7:25 AM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-20.
87%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 90% of the time (68 flights, Jun 2025 to May 2026).
- Never cancelled in 68 scheduled flights.
Moderate track record · 68 flights
Find 5:45 AM flight fares Opens this date on Aviasales#3 · Republic 3445 · sold as American Eagle, Delta Connection or United Express
7:30 PM → 9:20 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31.
79%
chance on time
- On time (history)
- 82%
- Cancelled
- 4.6%
- Avg arrival delay
- 16 min
- Arrived on time 82% of the time (206 flights, Jun 2025 to May 2026).
- Cancelled 4.6% of the time (10 of 216).
Strong track record · 206 flights
Find 7:30 PM flight fares Opens this date on Aviasales#4 · Republic 3530 · sold as American Eagle, Delta Connection or United Express
2:40 PM → 4:30 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31.
78%
chance on time
- On time (history)
- 79%
- Cancelled
- 1.4%
- Avg arrival delay
- 15 min
- Arrived on time 79% of the time (356 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (Noon to 3 PM: 80% on time; 9 AM to noon: 91%).
- Lands inside IAD's trouble window: 75% of its 63 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 356 flights
Find 2:40 PM flight fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines85%
49 flights · 90% on time as flown · 1.3% cancel
- Republic Airways (sold as American Eagle, Delta Connection or United Express)83%
977 flights · 84% on time as flown · 1.8% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM90%
70 flights · avg delay 5 min
- 9 AM to noon91%
295 flights · avg delay 4 min
- Noon to 3 PM80%
384 flights · avg delay 15 min
- 6 to 9 PM84%
273 flights · avg delay 13 min
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 aircraft40%
- Airline (crew, maintenance, boarding)29%
- Air traffic control and airport volume28%
- 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
IND to IAD questions
- What time of day is best to fly IND to IAD?
- 9 AM to noon: 91% of flights arrived on time, against 80% for departures noon to 3 PM.
- Which airline is most on time from IND to IAD?
- United, with a season-adjusted 85% chance of operating and arriving on time over 49 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 IND to IAD?
- December (84% on time); the best was November (94%), 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 IND
- IAD to IND (return)
- IND to ORD 77%
- IND to ATL 88%
- IND to DEN 77%
- IND to LGA 82%
- IND to MCO 80%
- IND to EWR 84%
- IND to DFW 79%
- IND to DCA 74%
- IND to BOS 77%
- IND to CLT 81%
- IND to PHX 79%
- IND to PHL 79%
Live status: FAA delays and ground stops