Allegiant Air is the most reliable airline on the PIT to MYR route with a 86% on-time rate, compared to Spirit Airlines at 79%. Based on 235 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PIT to MYR
Pittsburgh to Myrtle Beach — airline reliability comparison
On-Time Rate by Airline
Allegiant Air86%
Southwest Airlines82%
Spirit Airlines79%
PIT to MYR Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 86% | 1.2% | 100m | 235 |
| Southwest AirlinesWN | 82% | 0.0% | 44m | 169 |
| Spirit AirlinesNKWorst | 79% | 2.2% | 77m | 548 |
Route Overview
82%
Overall On-Time
79m
Avg Delay
1.6%
Cancel Rate
1,028
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.