PlainFlights

SPN vs GUM - Airport Comparison

Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.

Airport A
SPN

Saipan, TT

Saipan, U.S. Pacific Trust Territories and Possessions

View full profile →
Airport B
GUM

Guam, TT

Guam, U.S. Pacific Trust Territories and Possessions

View full profile →

Key Performance Metrics

BTS on-time performance data, 2020–2025 cumulative.

Metric SPN GUM
On-Time Rate (higher is better) 94.8% 90.6%
Avg Delay (lower is better) 91.7 min 74.8 min
Delay Rate (lower is better) 5.2% 9.4%
Cancellation Rate (lower is better) 0.37% 0.47%
Total Flights 4,024 8,429
Delayed Flights 210 796
Cancelled Flights 15 40
Top Delay Cause Late Aircraft Carrier

✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.

Delay Cause Breakdown

SPN - Saipan, TT

Late Aircraft 58.8%
Carrier 26.7%
Weather 9.7%
NAS 4.8%

GUM - Guam, TT

Carrier 59.9%
Late Aircraft 29.9%
NAS 10.0%
Weather 0.2%

Top Routes

Top routes from SPN

Route Flights On-Time
GUM → SPN
Saipan
1,676 95.5%
SPN → GUM
Guam
1,676 94.2%

Top routes from GUM

Route Flights On-Time
GUM → HNL
Honolulu
2,023 90.9%
HNL → GUM
Guam
2,022 85.1%
GUM → SPN
Saipan
1,676 95.5%
SPN → GUM
Guam
1,676 94.2%

Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This tool queries live on-time, delay, and cancellation figures for the two selected airports from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.