Live signal for LGA to PWM · Updated September 26, 2026
Flights from LaGuardia to Portland (Maine)
What have fares historically cost? — LaGuardia (LGA) to Portland (Maine) (PWM)
Historical prices in USD for LaGuardia (LGA) to Portland (Maine) (PWM) (round-trip) ranged from $149 to $682 across 351 accepted price checks from 2026-06-29 through 2026-09-26, inclusive; source: SERPRadio verified price observations; these are historical observations, not fares available to buy now. The latest accepted price check for LaGuardia (LGA) to Portland (Maine) (PWM) was observed on 2026-09-26, based on 1 accepted observation from 2026-09-26 through 2026-09-26; source: SERPRadio verified price observations.
Observed prices by departure day — LaGuardia (LGA) to Portland (Maine) (PWM)
For LaGuardia (LGA) to Portland (Maine) (PWM), historical round-trip USD median prices by departure weekday were Monday $347.5 (40 checks); Tuesday $275 (42 checks); Wednesday $294.5 (52 checks); Thursday $358 (59 checks); Friday $398 (61 checks); Saturday $257 (52 checks); Sunday $352 (45 checks), from 351 accepted price checks observed from 2026-06-29 through 2026-09-26; source: SERPRadio verified price observations. Comparisons describe only qualifying captured departure-day cells, not a recommendation for all flights.
Observed prices by departure month — LaGuardia (LGA) to Portland (Maine) (PWM)
For LaGuardia (LGA) to Portland (Maine) (PWM), historical round-trip USD median prices by departure month were 2026-08 $270 (136 checks); 2026-09 $352 (123 checks); 2026-10 $358 (89 checks), from 348 accepted price checks observed from 2026-06-29 through 2026-09-26; source: SERPRadio verified price observations. Named-month comparisons do not establish annual seasonality.
How reliable were these flights? — LaGuardia (LGA) to Portland (Maine) (PWM)
Across 1097 LaGuardia (LGA) to Portland (Maine) (PWM) flights reported from 2025-09-01 through 2026-07-31, 80.2% of departures were on time; source: U.S. Department of Transportation. Across 1097 LaGuardia (LGA) to Portland (Maine) (PWM) flights reported from 2025-09-01 through 2026-07-31, 5.4% were canceled; source: U.S. Department of Transportation.
Which departure days were most reliable? — LaGuardia (LGA) to Portland (Maine) (PWM)
For LaGuardia (LGA) to Portland (Maine) (PWM), Saturday and Sunday were the most reliable departure days among the qualifying weekday groups across 1097 flights reported from 2025-09-01 through 2026-07-31; source: U.S. Department of Transportation. For LaGuardia (LGA) to Portland (Maine) (PWM), Tuesday and Friday were the least reliable departure days among the qualifying weekday groups across 1097 flights reported from 2025-09-01 through 2026-07-31; source: U.S. Department of Transportation.
American Airlines posted 90% on-time departures, across 1,097 flights in 11 months of U.S. Department of Transportation reporting from September 2025 through July 2026.
Traveler questions — LaGuardia (LGA) to Portland (Maine) (PWM)
What prices were observed for LaGuardia (LGA) to Portland (Maine) (PWM)?
Historical prices in USD for LaGuardia (LGA) to Portland (Maine) (PWM) (round-trip) ranged from $149 to $682 across 351 accepted price checks from 2026-06-29 through 2026-09-26, inclusive; source: SERPRadio verified price observations; these are historical observations, not fares available to buy now.
When was the latest verified price check for LaGuardia (LGA) to Portland (Maine) (PWM)?
The latest accepted price check for LaGuardia (LGA) to Portland (Maine) (PWM) was observed on 2026-09-26, based on 1 accepted observation from 2026-09-26 through 2026-09-26; source: SERPRadio verified price observations.
How did observed prices differ by departure day for LaGuardia (LGA) to Portland (Maine) (PWM)?
For LaGuardia (LGA) to Portland (Maine) (PWM), historical round-trip USD median prices by departure weekday were Monday $347.5 (40 checks); Tuesday $275 (42 checks); Wednesday $294.5 (52 checks); Thursday $358 (59 checks); Friday $398 (61 checks); Saturday $257 (52 checks); Sunday $352 (45 checks), from 351 accepted price checks observed from 2026-06-29 through 2026-09-26; source: SERPRadio verified price observations. Comparisons describe only qualifying captured departure-day cells, not a recommendation for all flights.
How did observed prices differ by departure month for LaGuardia (LGA) to Portland (Maine) (PWM)?
For LaGuardia (LGA) to Portland (Maine) (PWM), historical round-trip USD median prices by departure month were 2026-08 $270 (136 checks); 2026-09 $352 (123 checks); 2026-10 $358 (89 checks), from 348 accepted price checks observed from 2026-06-29 through 2026-09-26; source: SERPRadio verified price observations. Named-month comparisons do not establish annual seasonality.
What operational reliability is supported for LaGuardia (LGA) to Portland (Maine) (PWM)?
Across 1097 LaGuardia (LGA) to Portland (Maine) (PWM) flights reported from 2025-09-01 through 2026-07-31, 80.2% of departures were on time; source: U.S. Department of Transportation.
Which departure days were most reliable for LaGuardia (LGA) to Portland (Maine) (PWM)?
For LaGuardia (LGA) to Portland (Maine) (PWM), Saturday and Sunday were the most reliable departure days among the qualifying weekday groups across 1097 flights reported from 2025-09-01 through 2026-07-31; source: U.S. Department of Transportation.
Which departure days were least reliable for LaGuardia (LGA) to Portland (Maine) (PWM)?
For LaGuardia (LGA) to Portland (Maine) (PWM), Tuesday and Friday were the least reliable departure days among the qualifying weekday groups across 1097 flights reported from 2025-09-01 through 2026-07-31; source: U.S. Department of Transportation.
What cancellation rate was observed for LaGuardia (LGA) to Portland (Maine) (PWM)?
Across 1097 LaGuardia (LGA) to Portland (Maine) (PWM) flights reported from 2025-09-01 through 2026-07-31, 5.4% were canceled; source: U.S. Department of Transportation.
Sources and methodology — LaGuardia (LGA) to Portland (Maine) (PWM)
- SERPRadio verified price observations; 2026-06-29–2026-09-26; 351 price checks.
- SERPRadio verified price observations; 2026-09-26–2026-09-26; 1 price checks.
- U.S. Department of Transportation; 2025-09-01–2026-07-31; 1097 flights.
- U.S. Department of Transportation; 2025-09-01–2026-07-31; 1097 flights.
- U.S. Department of Transportation; 2025-09-01–2026-07-31; 1097 flights.
- U.S. Department of Transportation; 2025-09-01–2026-07-31; 1097 flights.
- SERPRadio verified price observations; 2026-06-29–2026-09-26; 351 price checks.
- SERPRadio verified price observations; 2026-06-29–2026-09-26; 348 price checks.
Who: SERP Radio route dossier system
How: Route pages combine accepted fare observations, timing guidance, carrier mix, and route-level context from current NYC corridor feeds.
Why: This page exists to explain current fare behavior on one route and point to the next timing or airport surface when needed.
Limits: If route coverage is thin, the page falls back to limited route guidance instead of publishing weak pricing claims.
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