Route · SPN → GUM · 2020–2025 BTS data
Saipan to Guam
The SPN–GUM corridor (Saipan, TT → Guam, TT) runs ahead of the national average, served by 1 carrier across roughly 129 miles.
Data updated 2026-06-13
- 94.2%
- On-time
- +15.2 pts
- vs US avg
- 88 min
- Delay when late
- 1,676
- Flights
Cancelled
0.4%
Best Month
N/A
Worst Month
N/A
Distance
129 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 2 | 0 | 0 | UA |
| Nov 2025 | 30 | 2 | 0 | 0 | UA |
| Oct 2025 | 31 | 1 | 1 | 0 | UA |
| Sep 2025 | 30 | 1 | 0 | 0 | UA |
| Aug 2025 | 31 | 3 | 0 | 0 | UA |
| Jul 2025 | 31 | 4 | 0 | 0 | UA |
| Jun 2025 | 30 | 0 | 0 | 0 | UA |
| May 2025 | 31 | 0 | 0 | 0 | UA |
| Apr 2025 | 30 | 1 | 0 | 0 | UA |
| Mar 2025 | 33 | 3 | 0 | 0 | UA |
| Jan 2025 | 31 | 2 | 0 | 0 | UA |
| Dec 2024 | 31 | 0 | 0 | 0 | UA |
| Nov 2024 | 30 | 2 | 1 | 0 | UA |
| Oct 2024 | 31 | 3 | 0 | 0 | UA |
| Sep 2024 | 30 | 1 | 1 | 0 | UA |
| Aug 2024 | 31 | 4 | 0 | 0 | UA |
| Jul 2024 | 31 | 4 | 0 | 0 | UA |
| Jun 2024 | 30 | 8 | 0 | 0 | UA |
| May 2024 | 31 | 0 | 0 | 0 | UA |
| Apr 2024 | 30 | 0 | 0 | 0 | UA |
| Mar 2024 | 31 | 2 | 0 | 0 | UA |
| Jan 2024 | 31 | 1 | 0 | 0 | UA |
| Dec 2023 | 31 | 0 | 0 | 0 | UA |
| Nov 2023 | 30 | 1 | 0 | 0 | UA |
Cancellation Rate
0.4%
3 of 737 flights
Diversion Rate
0.0%
0 of 737 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SPN - Saipan
Full on-time, delay-cause, and seasonal performance for Saipan, TT.
Origin airport →GUM - Guam
Full on-time, delay-cause, and seasonal performance for Guam, TT.
Destination airport →Compare the two airports
See SPN and GUM side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SPN–GUM.
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What the Data Says About SPN to GUM
Saipan to Guam (SPN to GUM) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 94.2% on-time rate across 1,676 flights, with delays that do happen averaging 87.8 minutes. The corridor runs roughly 129 miles and is served by 1 carrier. Over the most recent 24 months, 3 of 737 flights were cancelled (0.4%) and 0 diverted (0.0%).
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.