Niagara Falls International Airport (IAG) delays & on-time performance
Niagara Falls, New York · 4 nonstop destinations · 1 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAG right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
70%
arrived < 15 min late
Cancelled
1.5%
6 flights
Avg arrival delay
25 min
83 min when late
Departed on time
74%
avg taxi-out 16 min
Figures cover 407 departures from IAG; on-time is measured at arrival. Arrivals into IAG were on time 80% of the time.
Key facts
- Flights departing Niagara Falls International Airport (IAG) arrived on time 70% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.5% were cancelled, and 10% arrived an hour or more late.
- Departures scheduled around 11am did best (79% on time); around 12pm did worst (64%).
- The largest source of delay minutes was late-arriving aircraft (65%).
Most delayed routes from IAG
Lowest on-time arrival rates among regularly flown routes.
Most reliable routes from IAG
Highest on-time arrival rates among regularly flown routes.
Best airline at IAG
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Allegiant Air | 70% | 1.5% | 25 min | 4 | 407 |
Best time to fly out of IAG
On-time arrival rate by scheduled departure hour (local time).
- 11am79%71 flts
- 12pm64%33 flts
- 5pm75%33 flts
- 6pm69%56 flts
- 7pm74%53 flts
Monthly trend
Why departures were late
- Late-arriving aircraft65%
- Air traffic control & airport congestion20%
- Airline (crew, maintenance, cleaning, fueling)9%
- Extreme weather5%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.