Niagara Falls International Airport (IAG): Delays & On-Time Performance
Data through July 2026
Build in buffer at Niagara Falls International Airport (IAG): only 73% of departures leave on time, 5 points below the US average, and the mean departure delay is 24 minutes. It remains a major gateway for Niagara Falls, NY, with 1 carriers serving 4 nonstop destinations.
- Departures on-time
- 73%
- left <15 min late
- Avg dep delay
- 24 min
- Arrivals on-time
- 81%
- Cancelled
- 1.7%
- Destinations
- 4
- nonstop
- Airlines
- 1
Plan your departure from IAG
The choices most likely to improve your odds, based on this airport’s historical record.
- Best day to fly
- Tuesday
- 77% on-time
- Cancellation risk
- 1.7%
- close to the US average
Monthly on-time trend
Best time of day to depart from IAG
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 30 min |
| Tuesdaybest | 77% | 11 min |
| Wednesday | 76% | 12 min |
| Thursday | 64% | 22 min |
| Friday | 68% | 34 min |
| Saturday | 74% | 24 min |
| Sunday | 62% | 33 min |
Busiest routes from IAG
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| IAG → PGD (Punta Gorda) | 204 | 76% | 24 min |
| IAG → PIE (St. Petersburg) | 120 | 68% | 20 min |
Where flights into IAG come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| PGD (Punta Gorda) → IAG | 203 | 85% | 15 min |
| PIE (St. Petersburg) → IAG | 120 | 84% | 9 min |
What causes delays at IAG
Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing IAG.
- Late-arriving aircraft59%
- Airline operations16%
- National airspace system20%
- Weather4%
Alternative airports near Niagara Falls
Other airports within 120 miles, compared on departure reliability.
| Airport | Distance | On-time departures | Avg delay |
|---|---|---|---|
| BUF — Buffalo Niagara International Airport | 16 mi | 79% | 17 min |
| ROC — Frederick Douglass Greater Rochester International Airport | 64 mi | 78% | 18 min |
Compare the airport-level record first, then check the exact route you plan to book.
Frequently asked questions
- How often are flights delayed at IAG?
- 27% of departures from Niagara Falls International Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 24 minutes. The national on-time average over the same period was 78%.
- How often are flights cancelled at IAG?
- 1.7% of scheduled departures from IAG were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Related guides
Based on 871 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.