Route
EWR → BUF
Newark Liberty International Airport Buffalo Niagara International Airport
282 miles
Return route BUF → EWR →
How punctual is this route?
- On-time arrivals
- 80.7%
- Less than 15 minutes late
- Cancelled
- 6.0%
- Of scheduled flights
- Average delay when late
- 77 min
- Flights arriving 15+ minutes late
- Flights tracked
- 484
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 23%
- Air traffic control & airport 20%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 66.7% | 6 |
| October 2025 | 56.8% | 37 |
| November 2025 | 70.7% | 59 |
| December 2025 | 78.0% | 55 |
| January 2026 | 100.0% | 8 |
| February 2026 | 100.0% | 2 |
| March 2026 | 81.5% | 28 |
| April 2026 | 90.9% | 33 |
| May 2026 | 92.9% | 87 |
| June 2026 | 87.3% | 74 |
| July 2026 | 80.3% | 72 |
| August 2026 | 61.1% | 23 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Republic Airways | 415 | 83.7% | 6.7% | 74 min |
| United Airlines | 69 | 63.2% | 1.4% | 86 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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