MIA to BDL flight delays & on-time performance
Nonstop flights from Miami International Airport to Bradley International Airport · 1,194 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MIA or BDL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Miami (MIA) to Hartford (BDL) arrived on time 71% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.4% were cancelled, and 8% arrived an hour or more late.
- Frontier Airlines was the most punctual airline here (78% on time); American Airlines was the least (70%).
- Departures scheduled around 10am did best (85% on time); around 8pm did worst (67%).
- Wednesday was the most reliable day to fly (86% on time) and Saturday the least (59%).
- The largest source of delay minutes was late-arriving aircraft (44%).
Which airline is most on time from MIA to BDL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Frontier Airlines | 78% | 3.0% | 10 min | 3.1% | 33 |
| American Airlines | 70% | 1.3% | 16 min | 8.7% | 395 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am85%33 flights
- 3pm83%18 flights
- 7pm82%61 flights
- 8pm67%302 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday67%6.3% cancelled
- Tuesday79%0.0% cancelled
- Wednesday86%0.0% cancelled
- Thursday70%0.0% cancelled
- Friday65%0.0% cancelled
- Saturday59%0.0% cancelled
- Sunday72%3.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft44%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion19%
- Extreme weather6%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather83%
- Airline (crew, maintenance, cleaning, fueling)17%
- Air traffic control & airport congestion0%
- Security0%
MIA to BDL: common questions
- How often are MIA to BDL flights on time?
- 71% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Miami to Hartford cancelled?
- 1.4% of scheduled flights were cancelled (6 of 428).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 51 min behind schedule on average, and 8.3% of flights were an hour or more late.
- How long is taxi time at MIA?
- Flights on this route spent 23 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BDL to MIA — 90% on time
More flights from Miami
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MIA → BDL, nonstop flights by US airlines that report to the DOT. How we calculate this.