PWM to LGA flight delays & on-time performance
Nonstop flights from Portland International Jetport to LaGuardia Airport · 269 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PWM or LGA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Portland (PWM) to New York (LGA) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 4.5% were cancelled, and 8% arrived an hour or more late.
- Departures scheduled around 10am did best (93% on time); around 5pm did worst (63%).
- Monday was the most reliable day to fly (84% on time) and Thursday the least (80%).
- The largest source of delay minutes was air traffic control & airport congestion (36%).
Which airline is most on time from PWM to LGA?
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 |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 82% | 4.5% | 14 min | 7.4% | 1,126 |
| American Airlines | 80% | 2.0% | 66 min | 8.2% | 50 |
| Delta Air Lines | 33% | 14.3% | 211 min | 50.0% | 7 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am95%20 flights
- 6am89%257 flights
- 7am92%91 flights
- 8am89%18 flights
- 9am89%35 flights
- 10am93%60 flights
- 11am79%161 flights
- 12pm82%78 flights
- 1pm82%150 flights
- 3pm94%32 flights
- 4pm75%108 flights
- 5pm63%169 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday84%7.5% cancelled
- Tuesday82%5.1% cancelled
- Wednesday82%2.3% cancelled
- Thursday80%3.6% cancelled
- Friday81%2.9% cancelled
- Saturday83%3.0% cancelled
- Sunday82%6.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion36%
- Airline (crew, maintenance, cleaning, fueling)35%
- Late-arriving aircraft25%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)42%
- Air traffic control & airport congestion38%
- Extreme weather21%
- Security0%
PWM to LGA: common questions
- How often are PWM to LGA flights on time?
- 82% 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 Portland to New York cancelled?
- 4.5% of scheduled flights were cancelled (53 of 1,183).
- 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 92 min behind schedule on average, and 7.6% of flights were an hour or more late.
- How long is taxi time at PWM?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LGA to PWM — 78% on time
More flights from Portland
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PWM → LGA, nonstop flights by US airlines that report to the DOT. How we calculate this.