State · MD · 2020–2025 BTS data
Maryland
According to PlainFlights' state traffic ranking (BTS On-Time Performance total flights), Maryland ranks #22 of 53 US states by total flight operations (most flights = #1).
Data updated 2026-06-13
- 78%
- On-time
- -1 pts
- vs US avg
- 61 min
- Delay when late
- 1.25%
- Cancelled
- #22 of 53
- Corpus placement
State reliability verdict
According to U.S. DOT BTS data, Maryland is a mid-book state: 1,051,812 operations at 2 airports run 78% on-time, 1 pts below the 79% U.S. average. Among tracked airports, BWI leads locally at 78% on-time.
- 78%
- statewide on-time
- -1 pts
- vs US average
- 2
- airports tracked
- 1.25%
- cancellation rate
On-time means arrived less than 15 minutes after schedule. Figures are historical BTS averages, not a guarantee for any single flight.
Maryland vs all states by total flight operations
Where this state's BTS On-Time Performance flight count sits among every state with tracked operations (traffic density, not on-time quality)
1,051,812 Top 42% more flights than 58% of 53 states
States, banded by total BTS-tracked flights
Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source BTS On-Time Performance · 2026-06-13
Airports in Maryland
Maryland airports ranked by on-time rate
2 BTS-tracked airports, led by BWI at 78%
On-time rate by airport
- BWI
Baltimore, MD: 78% on-time, 1,049,006 flights
78 %
- HGR
Hagerstown, MD: 69.2% on-time, 2,806 flights
69 %
What this shows Airports here range from 69.2% to 78% on-time.
| Code | Airport | City | Flights | On-Time | Avg Delay (when late) |
|---|---|---|---|---|---|
| BWI | Baltimore, MD | Baltimore | 1,049,006 | 78% | 61.0 min |
| HGR | Hagerstown, MD | Hagerstown | 2,806 | 69.2% | 78.7 min |
Maryland traffic-scale reading
The standout signal in Maryland is traffic scale: 1,051,812 BTS flights place it #22 of 53 by book size. That mid-book footprint sits beside a 78% on-time rate (1 pts below the 79% U.S. average), 231,134 delayed departures, and a 1.25% cancellation rate.
Mid-volume books still show a clear airport fingerprint: Baltimore, MD (BWI) handles 1,049,006 flights at 78% on-time.
On the recent 24-month tape, delay pressure is lightest in Nov 2024 and heaviest in Jul 2024. That airport is also the most reliable in the state at 78% on-time. On-time performance explained.
States With a Similar On-Time Rate
Other U.S. states whose statewide on-time rate is closest to Maryland's 78%.
Using Maryland's data
Maryland's statewide on-time book sits in the slower third of BTS states; check the specific airport before treating the headline as typical.
- Baltimore, MD (BWI) is the most reliable airport in Maryland among those with meaningful traffic. BWI profile
- Baltimore, MD handles the most traffic in the state; its performance weighs heavily on the state average. BWI profile
- See how Maryland compares with every other state that has BTS-tracked airports. All states
State averages are flight-weighted across all reporting airports in the state; a single busy airport can dominate the figure.
Read our methodology - how this data is sourced, computed, and verified.
Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025