MIA to BWI flight delays & on-time performance
Nonstop flights from Miami International Airport to Baltimore/Washington International Thurgood Marshall Airport · 946 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MIA or BWI 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 Baltimore (BWI) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2% were cancelled, and 8% arrived an hour or more late.
- Southwest Airlines was the most punctual airline here (74% on time); American Airlines was the least (69%).
- Departures scheduled around 7am did best (97% on time); around 6pm did worst (35%).
- Tuesday was the most reliable day to fly (82% on time) and Sunday the least (65%).
- The largest source of delay minutes was late-arriving aircraft (44%).
Which airline is most on time from MIA to BWI?
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 |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 90% | 0.0% | 5 min | 1.8% | 114 |
| Southwest Airlines | 74% | 2.0% | 15 min | 7.1% | 1,182 |
| Frontier Airlines | 72% | 3.0% | 25 min | 10.2% | 265 |
| American Airlines | 69% | 1.9% | 20 min | 10.6% | 698 |
| Spirit Airlines | 54% | 3.7% | 46 min | 26.9% | 27 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am84%45 flights
- 6am95%284 flights
- 7am97%156 flights
- 8am92%75 flights
- 9am77%37 flights
- 11am80%97 flights
- 12pm73%180 flights
- 1pm73%51 flights
- 2pm80%110 flights
- 3pm67%402 flights
- 4pm71%114 flights
- 5pm65%141 flights
- 6pm35%130 flights
- 7pm65%47 flights
- 8pm57%37 flights
- 9pm61%364 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday67%2.1% cancelled
- Tuesday82%2.8% cancelled
- Wednesday80%0.7% cancelled
- Thursday75%0.9% cancelled
- Friday71%0.6% cancelled
- Saturday73%2.6% cancelled
- Sunday65%4.0% 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)32%
- Air traffic control & airport congestion20%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather63%
- Airline (crew, maintenance, cleaning, fueling)20%
- Air traffic control & airport congestion17%
- Security0%
MIA to BWI: common questions
- How often are MIA to BWI flights on time?
- 73% 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 Baltimore cancelled?
- 2.0% of scheduled flights were cancelled (46 of 2,286).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 61 min behind schedule on average, and 8.4% of flights were an hour or more late.
- How long is taxi time at MIA?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BWI to MIA — 75% 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 → BWI, nonstop flights by US airlines that report to the DOT. How we calculate this.