Washington (IAD) to Hartford (BDL): On-Time Performance
Data through July 2026
When you fly IAD to BDL matters as much as anything else about the booking: the route swung from 94% on-time in January 2026 to just 57% in July 2024. Across the full period the route averages 84% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 80%), which matters most in the rough months.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 1.5%
- Flights/day
- 3.0
- last 12 months
- Duration
- 1h 27m
- scheduled
- Distance
- 325 mi
Best airline from IAD to BDL
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 84% | 11 min | 1.2% | 1,618 |
| Republic Airways | 84% | 12 min | 3.7% | 242 |
Monthly on-time trend
Best time to fly from IAD to BDL
Aim for departures around 8 a.m. (92% on-time); avoid 10 p.m. departures (79%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 9 min |
| Tuesdaybest | 88% | 7 min |
| Wednesday | 85% | 10 min |
| Thursday | 83% | 11 min |
| Friday | 84% | 12 min |
| Saturday | 83% | 14 min |
| Sunday | 80% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft34%
- Airline operations36%
- National airspace system17%
- Weather13%
Frequently asked questions
- How often are flights from IAD to BDL delayed?
- 16% of IAD–BDL 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 11 minutes.
- Which airline is most reliable from IAD to BDL?
- United Airlines has the best on-time record on this route at 84%, based on 1,618 flights. 2 airlines flew IAD–BDL frequently enough to compare in this period.
- What is the best time of day to fly from IAD to BDL?
- Departures around 8 a.m. have the best record (92% on-time), while departures around 10 p.m. have the worst (79%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IAD to BDL?
- The scheduled IAD–BDL flight time averages 1h 27m over 325 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are IAD to BDL flights cancelled?
- 1.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from IAD to BDL?
- July 2024 was the roughest month in this dataset, with only 57% of arrivals on time. The best was January 2026 at 94%. If your dates are flexible, that 37-point gap is worth planning around.
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Based on 1,860 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.